1. Mac Farlane, D.R., Newman, P.J., Zhiping, Z., and Javorniczky, J., Systematic Study of Refractive Index Variations with Composition in Heavy Metal Fluoride Glasses, J. Non-Cryst. Solids, 1993, vol. 161, pp. 183–187.
2. Carter, S.F., France, P.W., Moore, M.W., et al., The Crystallisation of a ZrF4-BaF2-LaF3-AlF3-NaF-PbF2 Core Glass for Infrared Fibers, Phys. Chem. Glasses, 1987, vol. 28, no. 5, pp. 188–195.
3. Tosello, S., Montagna, M., and Mattarelli, M., et al., Er3+ and Tm3+-Containing Ultra-Transparent Oxy-Fluoride Based Glass-Ceramics for Wavelength Division Multiplexing Optical Amplifiers, Fiz. Khim. Stekla, 2005, vol. 31, no. 3, pp. 505–511.
4. Mattarelli, M., Montagna, M., and Rossi, F., et al., Tm3+ Activated Transparent Oxy-Fluoride Glass-Ceramics: A Study by Raman Scattering of the Nanocrystal Size Distribution, Fiz. Khim. Stekla, 2005, vol. 31, no. 4, pp. 704–711.
5. Poulain, M., Poulain, M., and Lucas, J., Etude comparée de verres fluorés dans les diagrammes ternaires ZrF4-BaF2-MFn (M = Na, Ca, Ln, Th; n = 1, 2, 3, 4), Rev. Chim. Miner., 1979, vol. 16, pp. 267–276.