TY  - BOOK
AU  - Ehlers,Ernest G & Blatt,Harvey.
TI  - Petrology: Igneous Sedimentary and Metamorphic 
SN  - 9788123910321
U1  - 552 
CY  - New Delhi
PB  - CBS Publishers & Distributors
KW  - Geology
KW  - Deptt-Geology
KW  - G-Geology
KW  - Petrology
ER  -