00672nam a2200217 4500 20260520010019.0 260224s xxu 060-665.5 W938 1987 WPC (12th.) Catalysts for hydrotreating of heavy oil fractions 12/09/06 ; 30/07/2003 11 p. V. 4, p. 97-107 CONGTP Jacobsen , Andreas C. 29371 Cooper, Barry H. 9853 World Petroleum Congress (12th : 1987 26 abr/1 may : Houston) 7471 Cooper, Barry H. 9853 Jacobsen , Andreas C. 29371 155934 155934 0 0 0 0 223753 BAAB BAAB 060-665.5 W938 1987 2026-03-05 200007839 0 060-665.5 W938 1987 200007839 2026-03-05 00:50:51 2026-03-05 CONGTP