TY  - BOOK
AU  - Levorsen A I
AU  -  Berry F A F
TI  - Geology of petroleum
T2  - A Series of Books in Geology
U1  - H1555, K7;2 
PY  - 1967///
CY  - Sam Francisco 
PB  - W H Freeman      
KW  - Geology
N1  - Appendix 674p; Glossary 674-669p
ER  -