TY - CPAPER AU - Slawomir Porzucek TI - MICROGRAVITY SURVEY IN THE AREA OF THE FORMER SHALLOW COAL MINING T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2013 DO - 10.5593/sgem2013/ba1.v2/s05.019 PB - Stef92 Technology ER -