Tuncel, Mehmet. “Synthesis and Characterization of Novel Polymer-Metal Complexes of Cu(II), Ni(II) and Co(II) Derived from Poly(4,5-Dihydroxy-2,7-Naphthalene Disulfonic Acid)”. Asian Journal of Chemistry 26, no. 7 (March 31, 2014): 2147–2152. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_8_61.