TY  - BOOK
AU  - Varentsov, I. M.
AU  - Scripta Technica Inc.
TI  - SEDIMENTARY MANGANESE ORES
U1  - 553.46 
PY  - 1964///
CY  - Amsterdam
PB  - Elsevier Pub.
KW  - Manganese Ores
KW  - Manganese Ores -- Siberia
ER  -