Yadav, R.P., and O.D. Gupta. “Study of Complex Formation Between Malonic Acid and Cd(II) Ion in Aqueous and Non-Aqueous Solvents Using Polarography”. Asian Journal of Chemistry 24, no. 4 (December 14, 2011): 1881–1882. Accessed July 9, 2024. https://asianpubs.org/index.php/ajchem/article/view/8899.