TY - CPAPER AU - A V Neverov TI - JUSTIFICATION OF WAYS TO REFINE THE PILLARS WITH CHAMBER DEVELOPMENT SYSTEMS IN CONDITIONS OF LOW-POWER STEEP DEPOSITS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining PY - 2019 SP - 369 EP - 376 DO - 10.5593/sgem2019/1.3/s03.047 PB - STEF92 Technology ER -