1. Davolos, M.R., Garcia, A., Foussier, C., and Hagenmuller, P., Strontium and Barium Thiogallates, J. Solid State Chem., 1989, vol. 83, pp. 316–323.
2. Eisenmann, B., Jakowsky, M., and Schafer, H., Die Structuren von BaGa2S4, Mater. Res. Bull., 1982, vol. 17, p. 1169.
3. Jabbarov, R.B., Chartier, C., Tagiev, B.G., et al., Radiative Properties of Eu2+ in BaGa2S4, J. Phys. Chem. Solids, 2005, vol. 66, pp. 1049–1056.
4. Tagiev, B.G., Tagiev, O.B., Dzhabbarov, R.B., et al., Photoluminescence of Compounds in M-Ga-S Systems, Konferentsiya, posvyashchennaya 80-letnemu yubileyu G. Alieva (Conf. Dedicated to the 80th Birthday of G. Aliev), Banku, 2003, pp. 41–48.
5. Lida, S., Matsumoto, T., Mamedov, N., et al., Observation of Laser Oscillation from CaGa2S4: Eu2, Jpn. J. Appl. Phys., 1997, vol. 36, no. 7, pp. L857–L859.