TY - JOUR A1 - Grachyov, Oleg PB - The Lublin Branch of the Polish Academy of Sciences L2 - http://journals.pan.pl/Content/92059 PY - 2012 IS - No 4 T1 - Enrichability curves analysis of several coals mixture UR - http://journals.pan.pl/dlibra/publication/edition/92059 T2 - Teka Commission of Motorization and Power Industry in Agriculture ER -