Patel, R.K., et al. “Synthetic, Spectral and Antibacterial Studies OnComplexes of Co(II), Ni(II) and Cu(II) with2,2’-Imino Bis-4,4’-Diphenylthiazole”. Asian Journal of Chemistry, vol. 11, no. 2, Mar. 2010, pp. 490-4, https://asianpubs.org/index.php/ajchem/article/view/23309.