TY  - BOOK
AU  - Sinha, R K
AU  - Sharma, N L
TI  - Mineral economics
U1  - 338.20954 21st
PY  - 1976///
CY  - New Delhi
PB  - Oxford and IBH
KW  - Mineral industries-India; Marketing-India; Mines and mineral resources-India; Civilization-India
ER  -