TY - JOUR A1 - Pogrebnova, Natalia PB - The Lublin Branch of the Polish Academy of Sciences L2 - http://journals.pan.pl/Content/92122 PY - 2012 IS - No 4 T1 - Estimation of factional properties of the disc brake working elements in order to increase efficiency of brake systems of the rolling stock UR - http://journals.pan.pl/dlibra/publication/edition/92122 T2 - Teka Commission of Motorization and Power Industry in Agriculture ER -