TY  - RPRT
TI  - Descriptive and grade-tonnage models of volcanogenic manganese deposits in oceanic environments; a modification
AU  - Dan L. Mosier
AU  - Norman J. Page
PY  - 1988
DO  - 10.3133/b1811
UR  - https://pubs.usgs.gov/publication/b1811
ID  - b1811
ER  -