Aryamitra Pandey, Ms., k.P. soni, and G.K. Joshi. 2010. “Variation in Symmetry Around Doped Pr(III) Ion in Saturated Solution of Medicinal Compounds With Reference to Judd-Ofelt Electronic Spectral Parameter”. Asian Journal of Chemistry 12 (2):515-20. https://asianpubs.org/index.php/ajchem/article/view/22989.