TY  - BOOK
AU  - Jacobsen ,Andreas C.
AU  - Cooper,Barry H.
AU  - Cooper,Barry H.
ED  - World Petroleum Congress (12th : 1987 26 abr/1 may : Houston)
TI  - Catalysts for hydrotreating of heavy oil fractions
U1  - 060-665.5 W938 1987 
ER  -