TY  - BOOK
AU  - Sokolov,V.
TI  - Petroleum
U1  - 665.5 21
PY  - 1972///
CY  - Moscow
PB  - MIR Publishers
KW  - Geology
KW  - Hydrocarbons
KW  - Petroleum
KW  - Natural gas
KW  - Geology, Structural
ER  -