Miroslav Sulekova. ENGINE OIL SPILLS AND THEIR SUBSEQUENT REMOVAL DURING LOGGING. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation, 2017, pp. 311-318. https://doi.org/10.5593/sgem2017/52/s20.041