1. Cronan D.S. (ed.),Handbook of marine mineral deposits(CRC Press, Boca Raton, 2000)
2. Kotliński R., http://www.iom.gov.pl/uploads/iom_attachment-95635.pdf
3. Depowski S., et al,Mineral resources of the seas and oceans(SCHOLAR, Warsaw, 1998)
4. http://www.iom.gov.pl/