Bi, Jian-Hong, Rong-Jin Ding, Zi-Xian Huang, Yan Chen, and Nai-Liang Hu. 2010. “Synthesis and Crystal Structure of phen2Co-2N3”. Asian Journal of Chemistry 20 (6):4963-65. https://asianpubs.org/index.php/ajchem/article/view/19132.