Rai, H.C. “Spectral and Electrochemical Studies on Some Trinuclear Copper(II) and Dinuclear Cobalt(II) and Nickel(II) Macrocyclic Complexes”. Asian Journal of Chemistry 12, no. 3 (March 30, 2010): 771–774. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/23058.