TY  - BOOK
AU  -  Sinha,R K
TI  - Mineral economics
U1  - 338.2 
PY  - 1976///
CY  - 	 New Delhi, Oxford & IBH
KW  - Mineral industries
KW  - Management
KW  - Energy industries
N1  - Includes index; Bibliography: p. 185-187
ER  -