TY  - BOOK
AU  - Bhattacharya,S.N.
AU  - Sastri,V.V.
TI  - Selected lectures on petroleum exploration. (vol. I)
U1  - 553.282 
PY  - 1969///
CY  - Dehra Dun
PB  - O.N.G.C.
KW  - Geology , Mines
ER  -