@inproceedings{sgem2018s18022,
  title = {RESOURCES MANAGEMENT AND ECO-EFFICIENCY - CRITICAL METALS, AN EXAMPLE},
  author = {Alina Buţu},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies},
  year = {2018},
  pages = {167-174},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/4.2/s18.022}
}