Wyniki wyszukiwania dla: HYBRID DIGITAL TOOLSETS - MOST Wiedzy

Wyszukiwarka

Wyniki wyszukiwania dla: HYBRID DIGITAL TOOLSETS

Filtry

wszystkich: 1789
wybranych: 1359

wyczyść wszystkie filtry


Filtry wybranego katalogu

  • Kategoria

  • Rok

  • Opcje

wyczyść Filtry wybranego katalogu niedostępne

Wyniki wyszukiwania dla: HYBRID DIGITAL TOOLSETS

  • Wearable system supporting navigation of the blind

    Improving blind people comfort of life is a problem ofgreat importance. Fortunately, new technolgies provide us withadditional methods to improve everyday life of the blind and visuallyimpaired. The paper presents experimental system made byresearchers from Department of Geoinformatics of Gdansk Universityof Technology, which is capable of finding the route from theindicated source to chosen destination, using dedicated digital...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Music Mood Visualization Using Self-Organizing Maps

    Due to an increasing amount of music being made available in digital form in the Internet, an automatic organization of music is sought. The paper presents an approach to graphical representation of mood of songs based on Self-Organizing Maps. Parameters describing mood of music are proposed and calculated and then analyzed employing correlation with mood dimensions based on the Multidimensional Scaling. A map is created in which...

    Pełny tekst do pobrania w portalu

  • Analysis and Detection of Faults at Insulated Conductors of Overhead Medium Voltage Lines

    Publikacja

    - Rok 2013

    The paper dealt with the issue of breakdowns detection of isolated hanging wires on the medium-voltage transmission. The main aim of article is to describe the function of created breakdowns detector and evaluation its. The breakdowns detector is created based in indicators of faults such as touch between tree limbs and insulated wire, touch tree limbs with several phases or fall insulated wire on the ground. Breakdowns detector...

  • Compressible gas density measurement by means of Fourier analysis of interferograms

    Publikacja

    - MEASUREMENT - Rok 2022

    This paper describes a method for nonintrusive compressible gas density measurement by means of automated analysis of interferograms using FFT (Fast Fourier Transform), and its implementation using DFT (Discrete Fourier Transform), that does make this measurement technique a fairly valuable and accessible experimental method. The presented approach makes it possible to use the finite fringe setting of the interferometer, thus reducing...

    Pełny tekst do pobrania w portalu

  • Between Descriptive Geometry and CAD 3D

    Descriptive geometry provides methods to analyse three-dimensional space through two-dimensional drawings and prepares to create technical documentation. Geometric form of an engineering project is presented by the means of projection methods based on a 3D model, which is present in designer’s imagination. The forthcoming era of Building Information Modelling (BIM) brings changes in the way the engineer works, as the vision is...

    Pełny tekst do pobrania w portalu

  • Cyfrowy akcelerator wybranych modułów standardu kompresji wideo H.264

    W artykule przedstawiono konfigurowalny cyfrowy akcelerator estymacji ruchu przeznaczony dla enkodera wideo standardu H.264. Akcelerator został zaimplementowany w technologii FPGA oraz w układzie ASIC w technologii UMC 90 nm. Obie implementacje zostały zweryfikowane, a szczegółowe wyniki pomiarów akceleratora ASIC zostały porównane z innymi dostępnymi w literaturze propozycjami. System został zoptymalizowany do współpracy z oprogramowaniem...

    Pełny tekst do pobrania w portalu

  • Deep neural networks approach to skin lesions classification — A comparative analysis

    The paper presents the results of research on the use of Deep Neural Networks (DNN) for automatic classification of the skin lesions. The authors have focused on the most effective kind of DNNs for image processing, namely Convolutional Neural Networks (CNN). In particular, three kinds of CNN were analyzed: VGG19, Residual Networks (ResNet) and the hybrid of VGG19 CNN with the Support Vector Machine (SVM). The research was carried...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Acceleration of the DGF-FDTD method on GPU using the CUDA technology

    We present a parallel implementation of the discrete Green's function formulation of the finite-difference time-domain (DGF-FDTD) method on a graphics processing unit (GPU). The compute unified device architecture (CUDA) parallel computing platform is applied in the developed implementation. For the sake of example, arrays of Yagi-Uda antennas were simulated with the use of DGF-FDTD on GPU. The efficiency of parallel computations...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Systematic Management of Simulation State for Multi-Branch Simulations in Simulink

    Publikacja

    - Rok 2013

    Systematic simulation is a technique related and motivated by the formal analysis of hybrid dynamic systems. It combines the exhaustive and conservative nature of traditional model checking with numerical simulation for providing efficient algorithms to manage simulations. Multi-branch simulation is the concept advancing simulation efficiency by reducing the number of state transitions. This paper introduces an approach to implement...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • VIBRATION SURVEILLANCE DURING MILLING OF FLEXIBLE DETAILS WITH A USE OF THE ACTIVE OPTIMAL CONTROL

    The main goal of modern machining operations is to achieve increasingly better performance. High Speed Machining and/or High Performance Cutting, despite a lot of advantages, have also some drawbacks, for example, a possibility of losing stability and development of self-excited chatter vibration. This paper presents an approach of vibration surveillance during high speed milling with a use of active optimal control. Non-stationary...

    Pełny tekst do pobrania w portalu

  • Applying agiile practices to the development of safety-critical software

    Development of safety critical software is subjected to numerous restrictions and recommendations. To meet these requirements classical software development models (e.g. V-model) are usually applied. Agile methodologies, although rapidly increasing their popularity, were generally regarded as unsuitable for such projects. However, they offer potential benefits which provide a strong incentive to incorporate them into safety-critical...

  • Experimental research on a hydrodynamic thrust bearing with hydrostatic lift pockets: Influence of lubrication modes on bearing performance

    Publikacja

    - TRIBOLOGY INTERNATIONAL - Rok 2022

    The aim of the study is to investigate the performance of a thrust bearing equipped with hydrostatic lift pockets under different lubrication modes. Three types of flat land bearing lubrication modes are studied experimentally: hydrostatic lubrication (HS; forced oil injection to the pockets), hybrid lubrication (HS + HD; hydrostatic lubrication combined with the external forced bearing oil supply) and hydrodynamic lubrication...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • CMGNet: Context-aware middle-layer guidance network for salient object detection

    Publikacja
    • K. Shaheed
    • I. Ullah
    • S. Hussain
    • W. Ali
    • S. Ali Khan
    • Y. Yin
    • Y. Ma

    - Rok 2024

    Salient object detection (SOD) is a critical task in computer vision that involves accurately identifying and segmenting visually significant objects in an image. To address the challenges of gridding issues and feature...

  • Evaluation of Sicilian landraces of broccoli (B. oleracea var. italica Plenck) for quality traits

    Publikacja

    - Rok 2022

    Brassica oleracea L. var. italica Plenck is one of the most popular vegetables which belong to Brassicaceae family. It is getting attention as an important source of bioactive compounds such as glucosinolates, and many other phytochemicals. In the frame of the H2020 BRESOV project, we evaluated three landraces (‘Broccolo nero', ‘Ramoso calabrese' and ‘Sparaceddu') and two commercial F1 hybrid cultivars (‘Marathon' and ‘Naxos')....

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Noise Generated by Tyres Designet for Electric Vehicles - Results of Laboratory Experiments

    A few years ago, electric and hybrid vehicles were rarely seen on public roads and were considered more as exotic curiosities or even as a sign of extravagance than a practical means of transport. Nowadays the situation has changes significantly. This was caused both by the technical development and legislative actions, as well as the organizational nature promoting the purchace and use of low emission vehicles. Electric vehicles...

  • Sessile droplet contact angle of water–Al2O3, water–TiO2 and water–Cu nanofluids

    This work presents measurements of the contact angle of sessile droplets for three nanofluids, i.e. water–Al2O3, water–TiO2 and water–Cu. The plates made of glass, anodized aluminium and stainless steel of different roughness served as substrates. Ultrasonic vibration was used for 30–60 min in order to stabilise the dispersion of the nanoparticles. Nanoparticles were tested at the concentration of 0.01%, 0.1%, and 1% by weight....

    Pełny tekst do pobrania w portalu

  • Computer-Aided Automated Greenery Design—Towards a Green BIM

    Contemporary climate challenges are changing the architect’s awareness, which results in a broader spectrum of interest. The available software enables the design of vegetation, but it is often very limited and requires specialist knowledge. The available software allows the creation of individual solutions based on visual algorithms or writing scripts; however, they are still not common methods used in architecture and urban planning....

    Pełny tekst do pobrania w portalu

  • THE INFLUENCE OF THE EVOLUTION OF DAYLIGHTING SYSTEMS OF EXHIBITION SPACE ON THE ARCHITECTURE OF THE MUSEUM'S BUILDING

    Publikacja

    The paper deals with the architecture of museums as dependent on the ways of lighting the exhibition space. The work focuses on the analysis of the influence of daylighting systems on shaping the museum's architecture in the period from the Renaissance to modern times. The method of work includes studying literature and the case study of the objects characteristic of the presented concepts and lighting systems. The results of the...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Geospatial Coverage and Signal Quality Measurements of Terrestrial DAB+ Network in Northern Poland

    Modern signal coverage maps are prepared based on industry-standard radio propagation models, which take into account a number of parameters, including: type of antenna, distance from the transmitter, type of terrain, etc. However, such simulations are prone to location-specific inaccuracies, and should be verified with in-situ measurements. This paper presents results of a field test of a terrestrial DAB+ (Digital Audio Broadcasting...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • The Use of Unmanned Surface Vessels in Bathymetric Measurements of Waterbodies with Highly Dynamic Seafloor Relief

    Publikacja

    - Rok 2019

    The early 21st century is a time when unmanned surface vessels (USV) are used in various measurement applications. Modern autonomous and unmanned vessels are increasingly often used in bathymetric measurements whose aim is to measure the seafloor with the sufficient positioning accuracy. Therefore, the use of USVs in hydrography can be seen as the beginning of a new era in this regard. This paper presents bathymetric measurements...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Programmed metalloporphyrins for self-assembly within light-harvesting stacks: 5,15-dicyano-10,20-bis(3,5-di-tert-butylphenyl)-porphyrinato zinc(II) and its push-pull 15-N,N-dialkylamino-5-cyano congeners obtained by a facile direct amination.

    Publikacja
    • M. C. Balaban
    • A. EICHHöFER
    • G. Buth
    • R. Hauschild
    • J. Szmytkowski
    • H. Kalt
    • T. S. Balaban

    - JOURNAL OF PHYSICAL CHEMISTRY B - Rok 2008

    The title dicyano compound was synthesized via cyanation and it self-assembles in nonpolar solvents giving red-shifted and broad absorption maxima just as the bacteriochlorophylls which are encountered in the light-harvesting organelles of early photosynthetic bacteria. In the crystal, stacks are formed through a hierarchic combination of π-stacking and a CNZn electrostatic interaction. Push−pull 15-N,N-dialkylamino-5-cyano congeners...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Graphene Production and Biomedical Applications: A Review

    Publikacja

    Graphene is a two-dimensional nanomaterial composed of carbon atoms with sp2 hybrid orbitals. Both graphene and graphene-based composite have gained broad interest among researchers because of their outstanding physiochemical, mechanical, and biological properties. Graphene production techniques are divided into top-down and bottom-up synthesis methods, of which chemical vapor deposition (CVD) is the most popular. The biomedical...

    Pełny tekst do pobrania w portalu

  • AC-DC-DC Converter for Small Power Energy Storage Systems

    Publikacja

    - ENERGIES - Rok 2023

    The energy transformation driven by the development of renewable energy sources has become a reality for all power grid users. Prosumer energy, primarily utilizing photovoltaic installations, is one of the fastest-growing market segments. The advancement of technology, a decrease in electrochemical energy storage prices, and changes in the legal framework governing energy billing for grid-fed power have led to a growing interest...

    Pełny tekst do pobrania w portalu

  • Performance improvement of NN based RTLS by customization of NN structure - heuristic approach

    Publikacja

    - Rok 2015

    The purpose of this research is to improve performance of the Hybrid Scene Analysis – Neural Network indoor localization algorithm applied in Real-time Locating System, RTLS. A properly customized structure of Neural Network and training algorithms for specific operating environment will enhance the system’s performance in terms of localization accuracy and precision. Due to nonlinearity and model complexity, a heuristic analysis...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Selected biotrends in development of epoxy resins and their composites

    Publikacja

    Epoxy resins and their fibre or particulate composites are widely used in various industries, including building, naval, aircraft, automotive and aerospace. Modern polymer science and technology focus on the development of green polymers and composites. There are two major areas of interest in the case of epoxy resins: the development of bio-based resins and the production of composites with natural fibers. One of the most interesting...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Electricity demand prediction by multi-agent system with history-based weighting

    Publikacja

    - Rok 2016

    Energy and load demand forecasting in short-horizons, over an interval ranging from one hour to one week, is crucial for on-line scheduling and security functions of power system. Many load forecasting methods have been developed in recent years which are usually complex solutions with many adjustable parameters. Best-matching models and their relevant parameters have to be determined in a search procedure. We propose a hybrid...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Rigid finite elements and multibody modeling in analyses of a robot shaped elastic/plastic deformations of a beam

    Publikacja

    Dynamics analysis of a system composed of a parallel manipulator and of an elastic beam is presented in the paper. Classic 3RRR parallel manipulator is considered and used to deform the beam. Elasto-plastic deformations are investigated. Rigid-finite-elements technique is employed to deal with dynamics of the beam. A multibody structure is associated with the introduced hybrid system in order to model its dynamics. Idea of the...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Influence of Toll Collection Method on Motorways on Traffic Safety and Efficiency

    Publikacja

    The paper presents the results of the effectiveness analysis for various forms of toll collection on motorway gates and their impact on safety and efficiency of traffic. The results from field tests that were performed on the A1 motorway in Rusocin were used for the analysis. The research included the analysis of the video image of driver behaviour on the way to the toll booths and at toll booths. The PTV VISSIM tool was used to...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • A novel microstrip dual-layer rat-race coupler with compact size and enhanced bandwidth

    Publikacja

    Microwave hybrid couplers are crucial components of mixers, phase shifters, amplifiers and other high-frequency systems. Conventional couplers are characterized by large size which limits their usefulness in modern applications. In this work, a novel compact rat-race coupler with enhanced bandwidth has been proposed. The structure consists of six compact microstrip resonant cells. It is implemented on two separate layers which permits...

    Pełny tekst do pobrania w portalu

  • Deep learning for recommending subscription-limited documents

    Publikacja

    Documents recommendation for a commercial, subscription-based online platform is important due to the difficulty in navigation through a large volume and diversity of content available to clients. However, this is also a challenging task due to the number of new documents added every day and decreasing relevance of older contents. To solve this problem, we propose deep neural network architecture that combines autoencoder with...

    Pełny tekst do pobrania w portalu

  • A DISCRETE-CONTINUOUS METHOD OF MECHANICAL SYSTEM MODELLING

    Publikacja

    The paper describes a discrete-continuous method of dynamic system modelling. The presented approach is hybrid in its nature, as it combines the advantages of spatial discretization methods with those of continuous system modelling methods. In the proposed method, a three-dimensional system is discretised in two directions only, with the third direction remaining continuous. The thus obtained discrete-continuous model is described...

    Pełny tekst do pobrania w portalu

  • Design of highly linear tunable CMOS OTA for continuous-time filters

    W pracy przedstawiono analityczną metodę projektowania wzmacniaczy transkon-duktancyjnych CMOS o bardzo dobrej liniowości. Zaproponowano dwie wersje układu różniące się umiejscowieniem dodatkowej pary różnicowej służącej do kompensacji nieliniowości charakterystyki przejściowej. Praca zawiera wyniki symulacji pełnych wersji obu układów otrzymane przy użyciu symulatora SPICE.

  • DoA Estimation Using Reconfigurable Antennas in Millimiter-Wave Frequency 5G Systems

    To achieve low latency and high throughputs, future 5G systems will have to utilize complex antenna systems able to provide beamforming and direction-of-arrival (DoA) estimation capabilities. Most of the concepts available in the literature rely on analog or digital beamforming, which is well developed and can be used both at a base station and in a user terminal. However, in applications, in which...

    Pełny tekst do pobrania w portalu

  • Processing of Satellite Data in the Cloud

    Publikacja

    The dynamic development of digital technologies, especially those dedicated to devices generating large data streams, such as all kinds of measurement equipment (temperature and humidity sensors, cameras, radio-telescopes and satellites – Internet of Things) enables more in-depth analysis of the surrounding reality, including better understanding of various natural phenomenon, starting from atomic level reactions, through macroscopic...

    Pełny tekst do pobrania w portalu

  • An adaptive-noise Augmented Kalman Filter approach for input-state estimation in structural dynamics

    Publikacja
    • S. Vettori
    • E. Di Lorenzo
    • B. Peeters
    • M. Łuczak
    • E. Chatzi

    - MECHANICAL SYSTEMS AND SIGNAL PROCESSING - Rok 2023

    The establishment of a Digital Twin of an operating engineered system can increase the potency of Structural Health Monitoring (SHM) tools, which are then bestowed with enhanced predictive capabilities. This is particularly relevant for wind energy infrastructures, where the definition of remaining useful life is a main driver for assessing the efficacy of these systems. In order to ensure a proper representation of the physical...

    Pełny tekst do pobrania w portalu

  • Acoustic Processor of the Mine Countermeasure Sonar

    This paper presents the concept of an acoustic processor of the mine countermeasure sonar. Developed at the Department of Marine Electronics Systems, Gdansk University of Technology, the acoustic processor is an element of the MG-89, an underwater acoustic station. The focus of the article is on the modules of the processor. They are responsible for sampling analogue signals and implementing the algorithms controlling the measurement...

    Pełny tekst do pobrania w portalu

  • "Shadow" method application within endoscopic examinations of marine engines

    Publikacja

    The paper deals with diagnostic issues concerning endoscopic examinations of the working spaces within marine diesel and gas turbine engines. In the beginning, the endoscopy apparatus being on the laboratory equipment of the Department of Ship Power Plants of Gdansk University of Technology in Poland has been characterized. The endoscopy considerations have been focused on theoretical bases of a digital image processing and especially...

  • "Shadow" method application within endoscopic examinations of marine engines

    Publikacja

    The paper deals with diagnostic issues concerning endoscopic examinations of the working spaces within marine diesel and gas turbine engines. In the beginning, the endoscopy apparatus being on the laboratory equipment of the Department of Ship Power Plants of Gdansk University of Technology in Poland has been characterized. The endoscopy considerations have been focused on theoretical bases of a digital image processing and especially...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Generalized access control in hierarchical computer network

    The paper presents the design of the security layer for a distributed system located in the multizone hierarchical computer network. Depending on the zone from which a client’s request comes to the system and the type of the request, it will be either authorized or rejected. There is one common layer for the access to all the business services and interactions between them. Unlike the commonly used RBAC model, this system enforces...

    Pełny tekst do pobrania w portalu

  • Implementation of Contemporary Technologies in Naval Sonars Modernization

    Publikacja

    - HYDROACOUSTICS - Rok 2013

    Today’s fast technological advancement in electronics and signal processing methods makes electronic systems, including sonars, obsolete very quickly. The Polish Navy seems to be particularly affected as its ships were built in the 1970s and 1980s. Researchers at the Gdansk University of Technology have developed a methodology for modernising Navy sonars which involves the use of new electronic sub-systems and modern, bespoke methods...

    Pełny tekst do pobrania w portalu

  • Liquid Crystals, PIV and IR-Photography in Selected Technical and Biomedical Applications

    Publikacja

    Thermochromic liquid crystals (TLC), Particle Image Velocimetry (PIV), Infrared Imaging Themography (IR) and True-Colour Digital Image Processing (TDIP) have been successfully used in non-intrusive technical, industrial and biomedical studies and applications. These four tools (based on the desktop computers) have come together during the past two decades to produce a powerful advanced...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • INFORMATION SOCIETY DEVELOPMENT TRENDS, FROM DATA THROUGH KNOWLEDGE TO WISDOM

    Publikacja

    - TASK Quarterly - Rok 2017

    The paper investigates both the causes and effects of the rapid increase in the data volume(BigData)andtheirimpactonhumancognition.TheroleoftheInternetindistributing and exchanging of such data, and their impact on the growth of the Information Society are emphasized. As a result, Wisdom Science – a new kind of research – emerges which has the potential to facilitate more advanced solutions in the digital world. In consequence,...

    Pełny tekst do pobrania w portalu

  • PROPERTIES OF PARAMETRIC ALGORITHMIC DESIGN OF RESIDENTIAL HOUSES IN URBAN CONTEXT

    Publikacja

    Design explorations of architectural avant-garde resulted in the development of digital techniques that allow solving very complex and demanding contemporary design challenges. In the architectural discourse the new design workshop seems to be symbolized mainly by the projects of sports facilities, cultural, administrative or multifunctional high-rise buildings. However for the quality of society life is more important to exploit...

  • Application of Barycentric Coordinates in Space Vector PWM Computations

    Publikacja

    This paper proposes the use of barycentric coordinates in the development and implementationof space-vector pulse-width modulation (SVPWM) methods, especially for inverters with deformed space-vector diagrams. The proposed approach is capable of explicit calculation of vector duty cycles, independentof whether they assume ideal positions or are displaced due to the DC-link voltage imbalance. The use ofbarycentric coordinates also...

    Pełny tekst do pobrania w portalu

  • I, Robot: between angel and evil

    Publikacja

    - Rok 2020

    The boosting of most digital innovations within recent technology progress by artificial intelligence (AI) constitutes a growing topic of interest. Besides its technical aspects, increasing research activity may be observed in the domain of security challenges, and therefore of responsibility related to the controlled or hypothetically uncontrolled or autonomous emergence of AI solutions. Consequently, responsibility and ethics...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Automatic sound source localization in disturbing conditions using acoustic vector sensors

    A concept, practical realization and applications of a passive acoustic radar to automatic localization and tracking of sound sources in disturbing conditions were presented in the paper. The device consists of the new kind of multichannel miniature sound intensity sensors and a group of digital signal processing algorithms. The sensitivity of the realized acoustic radar was examined in free sound field. Several kinds of sound...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Transmission parameters of underwater communication channels

    Publikacja

    The underwater environment is tough and demanding as a communication channel for ultrasonic signals. The channel transmission characteristics in marine and inland waters depend much on local bathymetry and changing weather conditions. The architecture and performance of a reliable underwater acoustic communication (UAC) system should allow real-time adaptation of its transmission parameters to a large variety of possible channel...

    Pełny tekst do pobrania w portalu

  • Evolutionary Sets Of Safe Ship Trajectories: A New Approach To Collision Avoidance

    Publikacja

    The paper introduces a new method of solving multi-ship encounter situations for both open waters and restricted water regions. The method, called evolutionary sets of safe trajectories combines some of the assumptions of game theory with evolutionary programming and aims to find optimal set of safe trajectories of all ships involved in an encounter situation. In a two-ship encounter situation it enables the operator of an on-board...

  • Application of OFDM technique to underwater acoustic data transmission

    Publikacja

    Performances of underwater acoustic communication (UAC) digital systems are strongly related to specific transmission properties of the underwater channel. Depending on the characteristics of the channel, an architecture and modulation techniques are usually implemented that are known as reliable solutions for data transmission in difficult radio channels. The OFDM technique seems to be the most promising nowadays. The parameters...

    Pełny tekst do pobrania w portalu

  • Physical models in the education of architectural history

    In this article, the authors present the long tradition and common use of physical models in the process of teaching the history of architecture in higher education institutions. The research described in the article is focused on the use of physical models and mock-ups as stimulants during architectural history classes to support lectures and increase the learning capabilities of students. The authors also cover the general use...

    Pełny tekst do pobrania w portalu