TY  - BOOK
AU  - Ray,S.
ED  - Indian National Science Academy.
TI  - A decde (1963 - 72) of science in India: progress of Geology 
U1  - 509.54 
PY  - 1972///
CY  - Calcutta
PB  - Indian National Science Academy
KW  - Science
KW  - India
KW  - History
ER  -