Gaur, S., et al. “Solid State Structural, Catalytic and Physico-Chemical Elucidation of VO(IV), Pt(IV) and Ce(IV) Coordinated Compounds of Schiff Bases”. Asian Journal of Chemistry, vol. 18, no. 4, Mar. 2010, pp. 2792-8, https://asianpubs.org/index.php/ajchem/article/view/20656.