TY  - BOOK
AU  - Sovkolov B A
AU  -  Gaynanov A G
AU  -  Nesmeyanov D V
TI  - Petroleum resources of seas and oceans
U1  - H1555, L6 
PY  - 1976///
CY  - Moscow
PB  - Mir Publishers        
KW  -  Petroleum geology
KW  - Geology
ER  -