Viswanathan, M., and G. Krishnan. “Synthesis and Characterization of Mixed Ligand Complexes of Some Lanthanide(III) With N,N&Rsquo;-Triethylenediamine-Bis-(3-Carboxypropenamide)”. Asian Journal of Chemistry 16, no. 1 (July 20, 2012): 439–444. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/19660.