1. M. E. Globus and B. V. Grinev, Inorganic Scintillators. New and Traditional Materials [in Russian], Khar'kov (2001).
2. L. V. Viktorov, V. M. Skorikov, V. M. Zhukov, et al., Izv. Akad. Nauk SSSR, Neorg. Mater., 27, 2005–2020 (1991).
3. B. V. Shul'gin, T. I. Polupanova, A. V. Kruzhalov, and V. M. Skorikov, in: Bismuth Orthogermanate [in Russian], Ekaterinburg (1992), pp. 49–90.
4. R. B. Lauer, Appl. Phys. Lett., 17, 178–181 (1970).
5. V. D. Antsygin, V. A. Gusev, A. P. Eliseev, et al., Avtometriya, No. 1, 102–106 (1980).