@inproceedings{sgem2017s18008,
  title = {ENVIRONMENTAL ASPECTS OF REE RECOVERY TECHNOLOGY FROM SECONDARY SOURCES IN NEW KANKBERG AND COVAS},
  author = {Ryszard Kozakiewicz and Katarzyna Grzesik and Karolina Kossakowska},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies},
  year = {2017},
  pages = {59-66},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017h/43/s18.008}
}