Annapurna, K and Chakrabarti, Ritwika and Buddhudu, S (2007) Absorption and emission spectral analysis of Pr3+: tellurite glasses. Journal of Materials Science - Materials in Medicine, 42 (16). pp. 6755-6761. ISSN 0957-4530

Chakrabarti, Ritwika and Das, Maumita and Karmakar, B and Annapurna, K and Buddhudu, S (2007) Emission analysis of Eu3+: CaO-La2O3-B2O3 glass. JOURNAL OF NON-CRYSTALLINE SOLIDS, 353 (13-15). pp. 1422-1426. ISSN 0022-3093