Journal of Achievements in Materials and Manufacturing Engineering
Journal of Achievements in Materials and Manufacturing Engineering > 2012 > Vol. 55, nr 2 > 590--595
Journal of Achievements in Materials and Manufacturing Engineering > 2012 > Vol. 55, nr 2 > 668--672
Journal of Achievements in Materials and Manufacturing Engineering > 2012 > Vol. 55, nr 2 > 561--566