@article{1994412, title={Studies on Hydrodesulfurization and Hydrocracking of Petroleum Residues (I)}, author={Chikara SERA and Mitsugu YUMOTO and Kazuyoshi KUDOU and Kin'ya TAWARA}, journal={Journal of the Japan Institute of Energy}, volume={73}, number={6}, pages={412-418}, year={1994}, doi={10.3775/jie.73.412} }