TY - CPAPER AU - Jiri Golasowski TI - ROOM AND PILLAR MINING AT OKD, A.S. IN THE CZECH REPUBLIC T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2014 DO - 10.5593/sgem2014/b13/s3.069 PB - Stef92 Technology ER -