Pal Singh, Netra, Krishna Lal Annand, and Jagvir Singh. 2011. “Synthesis and Spectroscopic Studies of Transition Metal Complexes of Mononuclear Schiff Base Derived from 4-Methoxybenzaldehyde and Glycine”. Asian Journal of Chemistry 23 (9):4090-92. https://asianpubs.org/index.php/ajchem/article/view/10801.