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Barbora Bočáková
SLOVAK UNIVERSITY OF TECHNOLOGY IN BRATISLAVA,
FACULTY OF MATERIALS SCIENCE AND TECHNOLOGY IN TRNAVA, INSTITUTE OF PRODUCTION TECHNOLOGIES
TRNAVA, Slovak Republic
Martin Necpal
SLOVAK UNIVERSITY OF TECHNOLOGY IN BRATISLAVA,
FACULTY OF MATERIALS SCIENCE AND TECHNOLOGY IN TRNAVA, INSTITUTE OF PRODUCTION TECHNOLOGIES
TRNAVA, Slovak Republic
Martin Sahul
SLOVAK UNIVERSITY OF TECHNOLOGY IN BRATISLAVA,
FACULTY OF MATERIALS SCIENCE AND TECHNOLOGY IN TRNAVA, INSTITUTE OF MATERIALS SCIENCE
TRNAVA, Slovak Republic