PrajnaShree, M., A. Wagh, Y. Raviprakash, B. Sangeetha, and S. D. Kamath. “CHARACTERIZATION OF Pr6O11 DOPED ZINC FLUOROBORATE GLASS”. European Scientific Journal, ESJ, Vol. 9, no. 18, June 2013, doi:10.19044/esj.2013.v9n18p%p.