TY - CPAPER AU - B. Radwanek-Bak TI - OPPORTUNITIES AND BARRIERS OF CRITICAL MINERALS MANAGEMENT IN POLAND T2 - 14th International Multidisciplinary Scientific GeoConference SGEM 2014, Science and Technologies in Geology, Exploration and Mining, Vol. 14, Book 1, Volume 3 PY - 2014 DO - 10.5593/sgem2014/b13/s3.054 PB - Stef92 Technology ER -