Parihar, D.S. “Synthesis and Physico-Chemical Properties of Some Complexes of Tetradentate Macrocycles With Cd, Hg and Pb”. Asian Journal of Chemistry 7, no. 1 (March 30, 2010): 89–92. Accessed July 24, 2024. https://asianpubs.org/index.php/ajchem/article/view/24225.