1. : Crystallography, No. 15, 740 (1968)
2. : Materials of international conference on Lasers and their application, Dresden 1970. Collection 8, page 479
3. : Theory of temperature tensions, Moskva 1964
4. : Elements of Quantum Electronics, Part II, Processes of transmission of exciation between the ions in activated laser crystal, page 186, ed. MEI, 1972
5. : Defects in crystals, IL, 1962, page 132