@inproceedings{sgem2013s03028, title = {ECONOMIC ANALYSIS OF POLYMETALLIC NODULES IN DEEP SEA FLOOR}, author = {Michal Cehlar}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING}, year = {2013}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2013/ba1.v1/s03.028} }