“?POLYMETALLIC COMPLEXES Part XLIV. Complexes of Cobalt (II), Nickel (II), Copper (II), Zinc (II), Cadmium (II) and Mercury II with Doubly-Bidentate 0 N Z N 0 Donor Chelating Azo Dye Ligands, 4,4’-Bis (2’-Hydroxy-l’-Naphthyl-Azo)-Diphenyl and l,4-”, Pakistan Journal of Scientific & Industrial Research, vol. 38, no. 9-10, pp. 337–340, Oct. 1995, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2515