@inproceedings{sgem2017s01010,
  title = {CHEMICAL CHARACTERISTICS OF REE-BEARING PHOSPHATE MINERALS FROM DURICO-BEIRAO GOLD-ANTIMONY MINING DISTRICT (NORTHERN PORTUGAL)},
  author = {Helena Couto and Guy Roger and Yves Moelo},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining},
  year = {2017},
  pages = {81-88},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/11/s01.010}
}