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Advances in Materials Science > 2008 > Vol. 8, nr 2(16) > 103-109
Górnictwo i Geoinżynieria > 2007 > R. 31, z. 2 > 203-210
Transport Problems > 2006 > T. 1, z. 1 > 39-49
Research Bulletin / Warsaw University of Technology, Institute of Aeronautics... > 1998 > nr 8 > 131-136