TY - JOUR T1 - Modelling and simulation of the hydrocracking of heavy oil fractions JO - Brazilian Journal of Chemical Engineering A1 - Matos, E.M. A1 - Guirardello, R. SN - 0104-6632 UL - 10.1590/S0104-66322000000100007 VL - 17 Y1 - 2000 PB - Brasil ER -