Kulkarni, V.D., M.A. Pujar, and T. Suresh. 2010. “Stability Constants of the Ternary Complexes of Copper(II) With Dipicolinic Acid and Amino Acids ”. Asian Journal of Chemistry 7 (1):161-64. https://asianpubs.org/index.php/ajchem/article/view/24239.