TY  - BOOK
AU  - Smith,Robert W.
ED  - Syncrude (Canadá)
ED  - World Petroleum Congress (12th : 1987 26 abr/1 may : Houston)
ED  - Syncrude (Canadá)
TI  - Progress in surface mining production from Canadaś oil sands
U1  - 060-665.5 W938 1987 
ER  -