TY  - BOOK
AU  - Stosur,George J.
AU  - Frye,Keith N.
AU  - Frye,Keith N.
ED  - World Petroleum Congress (12th : 1987 26 abr/1 may : Houston)
TI  - The future of extra heavy oil, natural bitumen, and shale oil
U1  - 060-665.5 W938 1987 
ER  -