TY - CPAPER AU - О. В. Черемисина TI - RECOVERY OF RARE EARTH METALS FROM PHOSPHOGYPSUM - APATITE ORE SULFURIC ACID LEACHING PRODUCT 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 - 903 EP - 910 DO - 10.5593/sgem2019/1.3/s04.117 PB - STEF92 Technology ER -