Ding, Jianfei, Rong Shao, Jun Wu, and Wantian Dong. 2011. “Effect of Carbon Modification on the Performance of NiO G-Al2O3 Catalyst for Isobutane Dehydrogenation”. Asian Journal of Chemistry 23 (8):3553-55. https://asianpubs.org/index.php/ajchem/article/view/10689.