1. and , Chetvertoe vsesoyusnoe soveshchanie po radiatsionnoi fizike i khimii ionnykh kristallov, Tezisy dokladov, Part 1, Riga, October 3 to 5 1978 (p. 94).
2. and , Voprosy atomnoi nauki i tekhniki, Ser. Fiz. radiatsionnykh povrezhdenii i radiatsionnoe materialovedenie, 3rd ed., vyp. 3(17), 1981 (p. 21).