TY - RPRT TI - Volcanogenic Massive Sulfide Deposits of the World - Database and Grade and Tonnage Models AU - Dan L. Mosier AU - Vladimir I. Berger AU - Donald A. Singer PY - 2009 DO - 10.3133/ofr20091034 UR - https://pubs.usgs.gov/publication/ofr20091034 ID - ofr20091034 ER -