1. O. N. Kazankin, L. Ya. Markovskii, I. A. Mironov, F. M. Pekerman, and L. N. Petoshina, Inorganic Luminophors (Khimiya, Leningrad, 1975) [in Russian].
2. N. K. Morozova and V. A. Kuznetsov, Zinc Sulfide. Production and Optical Properties (Nauka, Moscow, 1987) [in Russian].
3. R. F. Khairutdinov, Russ. Chem. Rev. 67, 109 (1998).
4. D. Denzler, M. Olschewski, and K. Sattler, J. Appl. Phys. 84, 2841 (1998).
5. V. G. Klyuev, T. L. Maiorova, M. Fam Tkhi Khai, and V. N. Semenov, Kondens. Sredy Mezhfaz. Granitsy 11, 58 (2009).