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Anatoliy A. Martynyuk: Professor, Member of the Ukrainian Academy of Sciences, Institute of Mechanics Academy of Sciences of Ukraine, Email:martynyukanan@gmail.c m
Bogus³aw Radziszewski: Kielce Technological University, Email: boguslaw.radziszewski@gmail.c m
Andrzej Szadkowski: Meritor Automotive Inc. USA (pensioner). Email: aszadk@gmail.com