1. Gunn Manling, Zhao Wei, and Fu Goping, Luminescence of BaFCl:Eu2+,Ce3+ and Its Application in X-ray Screens, Fiz., Khim. Tekhnol. Lyuminoforov, 1990, no. 38, pp. 98–105.
2. Gurvich, A.M., Rentgenolyuminofory i rentgenovskie ekrany (X-ray Phosphors and Screens), Moscow: Atomizdat, 1976.
3. Gurvich, A.M., Some Trends in the Physical Chemistry of Crystalline Phosphors, Fiz., Khim. Tekhnol. Lyuminoforov, 1990, no. 38, pp. 106–112.
4. Gorobets, B.S. and Rogozhin, A.A., Lyuminestsentnye spektry mineralov: Spravochnik (Luminescence Spectra of Minerals: A Handbook), Moscow: VIMS, 2002.
5. Schulman, J.H. and Kirk, R.D., Luminescence of Sulfur Centre in Alkali Halides and Other Inorganic Solids, Solid State Commun., 1964, vol. 2, pp. 105–108.