TY  - BOOK
AU  - Rao, Raja.
TI  - Bulletins of the geological survey of india:Series A,No.45 Coalfields of india Vcol.II / 
U1  - H235403.44 
PY  - 1990///
CY  - Calcutta : 
PB  - Geological Survey Of India , 
KW  - Earth Science
ER  -