TY  - BOOK
AU  - Levorsen,A.I.
AU  - Berry,Frederick A.F.
TI  - Geology of petroleum
U1  - 553.282 
PY  - 1972///
CY  - Bombay
PB  - Vakils, Feffer and Simons
KW  - Petroleum
KW  - Geology
N1  - First Indian reprint 1972; Includes bibliographical references and index
ER  -