TY  - BOOK
AU  - Khalimov,E.M.
AU  - Klimushin,I.M.
AU  - Goldberg,I.S.
AU  - Klimushin,I.M.
AU  - Goldberg,I.S.
ED  - M
ED  - World Petroleum Congress (11th. : 1983 : London)
ED  - M
TI  - Geological problems of natural bitumen
U1  - 060-665.5 W938 1983 
ER  -