TY - JOUR A1 - Gubacheva, Larisa A1 - Andreev, Alexander A1 - Leonova, Svetlana PB - The Lublin Branch of the Polish Academy of Sciences L2 - http://journals.pan.pl/Content/92062 PY - 2012 IS - No 4 T1 - The use of upgraded hopper cars in the mining industry UR - http://journals.pan.pl/dlibra/publication/edition/92062 T2 - Teka Commission of Motorization and Power Industry in Agriculture ER -