Ballabh Melkani, Kirti, Reeta Sharma, and Madhup Chandra. 2010. “Manganese(II), Cobalt(II), Nickel(II), Copper(II) and Zinc(II) Complexes of N-(o-Hydroxy Methyl Substituted Benzyl) Glycines”. Asian Journal of Chemistry 12 (1):259-64. https://asianpubs.org/index.php/ajchem/article/view/22916.