Arora, Kishor, Mukesh Sharma, and K.P. Sharma. “Synthesis and Characterization of Schiff Bases Coordination Compounds of Lanthanide(III) Perchlorates”. Asian Journal of Chemistry 23, no. 2 (October 18, 2010): 519–521. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/15856.