@inproceedings{sgem2012s03v1015,
  title = {DEEP-SEA POLYMETALLIC NODULES: RENEWED INTEREST AS RESOURCES FOR ENVIRONMENTALLY SUSTAINABLE DEVELOPMENT},
  author = {Abramowski, Tomasz and Stoyannova, Valcana},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference},
  year = {2012},
  pages = {515 - 522 pp},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2012/s03.v1015}
}