1. IV. All-Union Conference of Crystal Growth, Tsaghkadzor, Izd. Akad. Nauk Arm. SSR, 1972 (p. 6), in Russian.
2. in: Investigations at High Temperatures, Moscow 1967 (p. 183), in Russian.
3. Color Centers in γ-Irradiated Ruby
4. Paramagnetic Resonance Spectrum of Cr+++in Emerald*
5. EPR in Biology, Izd. Mir, Moscow 1972 (p. 253), in Russian.