1. Proceedings of the International Conference on Inorganic Scintillators and their Applications;Klassen,1996
2. Proceedings of the International Conference on Inorganic Scintillators and their Applications;Korzhik,1996
3. N.V. Klassen, S.Z. Shmurak, B.S. Red’kin, et al., in: S. Baccaro, B. Borgia, I. Dafinei, E. Longo (Eds.), Proceedings of the International Worshop on Tungstate Crystals, Rome, 1998, pp. 35–46.
4. N.V. Klassen, et al., in: V. Mikhailin (Ed.), Proceedings of the 5th Int. Conf. on Inorganic Scintillators and their Application, SCINT’99, M.V. Lomonosov State University, Moscow, 2000, pp. 321–325.