@article{matos_guirardello_2000,  title={Modelling and simulation of the hydrocracking of heavy oil fractions},  volume={17},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322000000100007},  DOI={10.1590/S0104-66322000000100007},  number={1},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Matos, E.M. and Guirardello, R.},  year={2000},  month={Mar},  pages={79–90} }