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Helena Fidlerová
Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Industrial Engineering and Management, ul. Jána Bottu 25, 917 24 Trnava, Slovak Republic
Miroslava Mĺkva
Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Industrial Engineering and Management, ul. Jána Bottu 25, 917 24 Trnava, Slovak Republic