Liu, E., and Fangfang Jian. “Crystal Structure and Electrochemical Property of Tetrazole Complex of Copper [Cu(pta)2(NO3)2(H2O)2] (pta = 1-Phenyl-1H-Tetrazole)”. Asian Journal of Chemistry, vol. 31, no. 10, Aug. 2019, pp. 2370-4, doi:10.14233/ajchem.2019.22163 .