TY  - BOOK
AU  - Waugh,W.B.
ED  - Petro-Canadá
ED  - World Petroleum Congress (13th. : 1991 : Buenos Aires)
ED  - Petro-Canadá
TI  - Advanced hydroprocessing of heavy oil and refinery residues
U1  - 060-665.5 W938 1991 
ER  -