M. Patil, Raju, and Shivkumar R. Chaurasiya. 2010. “Synthetic, Structural, Thermal and Biological Studies of Zr(IV), Th(IV) and VO(IV) Chelates With Bis-Bidentate Schiff Bases”. Asian Journal of Chemistry 20 (6):4615-24. https://asianpubs.org/index.php/ajchem/article/view/19072.