TY  - BOOK
AU  - Prasad,C.V.R.K., x
AU  - x
TI  - Elementary exercises in geology : x
SN  - 8173715025 
U1  - 551/P911e  
PY  - 2005///
CY  - New Delhi 
PB  - University  Press 
KW  - Geology
ER  -