TY  - BOOK
ED  - India. Ministry of Steel and Mines. Indian Bureau of Mines
TI  - Memories on coal exploration: second five year plan 1963
U1  - 338.272 21st
PY  - 1966///
CY  - Delhi
PB  - Manager of Publications
KW  - Coal-India; Coal Mines and mining-India; Coal-Mineral industries-India
ER  -