PAYEHGHADR, M., and A. ZAMANI. “Conductometric and Spectrophotometric Studies of Thermodynamics of Complexation of Zn2+, Ni2+, Co2+, Pb2+ and Cu2+ Ions With 2,2’-Dimethyl-4,4’-Bithiazole in Acetonitrile Solution”. Asian Journal of Chemistry, vol. 21, no. 5, Mar. 2010, pp. 3788-9, https://asianpubs.org/index.php/ajchem/article/view/17357.