TY  - BOOK
AU  - B. N. Sinha
TI  - Bulletins of the Geological Survey of India
U1  - 550.18 
PY  - 1971///
CY  - New Delhi
PB  - Govt of India
N1  - B. N. Sinha: Bulletins of the Geological Survey of India.  New Delhi.  Govt of India, 1971.--(550.18SIN)
ER  -