Viswanathan, M., and G. Krishnan. “Synthesis and Characterization of Mixed Ligand Complexes of Praseodymium(III), Neodymium(III), Samarium(III), Gadolinium(III) and Dysprosium(III) With Piperidinobenzylurea”. Asian Journal of Chemistry 16, no. 1 (March 30, 2010): 156–162. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/19556.