TY - CPAPER AU - Miroslav Sulekova TI - ENGINE OIL SPILLS AND THEIR SUBSEQUENT REMOVAL DURING LOGGING T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation PY - 2017 SP - 311 EP - 318 DO - 10.5593/sgem2017/52/s20.041 PB - STEF92 Technology ER -