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Rocznik Ochrona Środowiska > 2011 > Tom 13 > 101-116
Journal of Applied Computer Science > 2010 > Vol. 18, nr 2 > 7-23
Transport Problems > 2008 > T. 3, z. 1 > 11-18
Transport Problems > 2008 > T. 3, z. 3 > 53-58
Transport Problems > 2008 > T. 3, z. 2 > 95-97
Acta Mechanica et Automatica > 2008 > Vol. 2, no. 3 > 14-18