Tater, P.C., Aryamitra Pandey, and K.P. Soni. “Electronic Spectral Studies on Pr3+ Doped Sulphonanilide System, Part II&Dagger”;. Asian Journal of Chemistry 13, no. 2 (March 30, 2010): 577–580. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/22634.