1. Pavlushkin, N.M., Khimicheskaya tekhnologiya stekla i sitallov (Chemical Technology of Glass and Sitalls), Moscow: StroiIzdat, 1983.
2. Fluoride Glass Optical Fibres, France, P.W., Ed., Springer Science and Business Media, 2012.
3. Doualan, J.L., Girard, S., Haquin, H., Adam, J.-L., and Montagne, J.-E., Opt. Mater., 2003, vol. 24, no. 3, pp. 563–574. https://doi.org/10.1016/S0925-3467(03)00144-7
4. Arun, K., Fundamentals of Inorganic Glasses, 1994.
5. Adam, J.L., J. Non-Crystal. Solids, 2001, vol. 287, nos. 1–3, pp. 401–404. https://doi.org/10.1016/S0022-3093(01)00632-9