Sreeletha, G.S. “Synthesis and Characterization of Lanthanum(III) Complexes of Schiff Base Derived from Pyridine-2-Carboxaldehyde and Benzidine”. Asian Journal of Chemistry 17, no. 2 (January 31, 2016): 1093–1096. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/14293.