TY - CPAPER AU - Erika Škvareková TI - PROBLEMS OF THE CONTAMINATION FROM SEDIMENTARY ROCK ENVIRONMENT PAH DURING UNDERGROUND COAL GASIFICATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s03.131 PB - Stef92 Technology ER -