Viswanathan, M., and G. Krishnan. 2016. “Synthesis and Characterization of Mixed Ligand Complexes of Thorium(IV) With N,N’-Triethylenediamine-Bis-(3-Carboxypropenamide) and Various Anions”. Asian Journal of Chemistry 16 (2):1034-38. https://asianpubs.org/index.php/ajchem/article/view/14575.