TY  - BOOK
AU  - Mathur, S.M. 
TI  - Elements of geology
SN  - 9788120335158
U1  - 551 
PY  - 2010///
CY  - Delhi
PB  - PHI Learning
KW  - Geology l  Natural gas l Geology Natural gas l Geology Petroleum l Geology Olja (petroleum) l Geology
ER  -