A. FILMWALA, ZOEB, et al. “Synthesis, Spectral Studies and Antimicrobial Activity of Schiff Bases Derived from 4,4’-Diaminodibenzyl With Substituted Salicylaldehydes and Metal Complexes With Mn(II),VO(II) and UO2(II)”. Asian Journal of Chemistry, vol. 19, no. 6, Mar. 2010, pp. 4697-03, https://asianpubs.org/index.php/ajchem/article/view/20006.