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Erika Sujová
Technical University in Zvolen Faculty of Environmental and Manufacturing Technology Department of Manufacturing Technology and Quality Management Študetská 26, 960 53,Zvolen, SLOVAK REPUBLIC
Helena Čierna
MSc., PhD. Technical University in Zvolen Faculty of Environmental and Manufacturing Technology Department of Manufacturing Technology and Quality Management Študetská 26, 960 53,Zvolen, SLOVAK REPUBLIC