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Ivo Punčochár
NTIS– New Technologies for the Information Society, European Centre of Excellence Faculty of Applied Sciences, University of West Bohemia, Univerzintf 8, 306 14, Pilsen, Czech Republic
Miroslav Šmandl
NTIS—New Technologies for the Information Society, European Centre of Excellence Faculty of Applied Sciences, University of West Bohemia, Univerzintf, 306 14, Pilsen, Czech Republic