Gupta, Aarti, Kishor Arora, and D.D. Agrawal. “Synthesis and Characterization of Lanthanide(III) Perchlorate Complexes of Some Schiff Base Ligands”. Asian Journal of Chemistry 16, no. 1 (March 30, 2010): 489–492. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/19646.