TY - JOUR L1 - http://czasopisma.pan.pl/Content/85952/PDF/10172%20Volume%2056%20Issue%204-14%20paper%20pdf.pdf L2 - http://czasopisma.pan.pl/Content/85952 PY - 2011 IS - No 4 December DO - 10.2478/v10172-011-0107-8 A1 - Winnicki, M. A1 - Zwierzchowski, M. A1 - Ambroziak, A. A1 - Laska, P. A1 - Lachowicz, M. A1 - Leśniewski, J. PB - Institute of Metallurgy and Materials Science of Polish Academy of Sciences PB - Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences DA - 2011 T1 - Examination of Friction Coefficient in Friction Welding Process of Tubular Steel Elements UR - http://czasopisma.pan.pl/dlibra/publication/edition/85952 T2 - Archives of Metallurgy and Materials ER -