TY - CPAPER AU - Lidia Kim TI - RECENT APPROACHES REGARDING THE SELECTION OF APPROPRIATE METHODS FOR THE CHARACTERIZATION AND ANALYSIS OF USED OILS IN ORDER TO ASSESSMENT OF THE METALS CONTENT T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies PY - 2018 SP - 121 EP - 128 DO - 10.5593/sgem2018/4.2/s18.016 PB - STEF92 Technology ER -