1. Tr. Inst. Fiz. Akad. Nauk SSSR, Vol. 48, Izd. Nauka, Moscow 1969 (p. 3).
2. Electronic Processes on the Semiconductor Surface, Izd. Nauka, Moscow 1970 (in Russian).
3. , , , and in: Electronic Processes on the Semiconductor Surface, Izd. Nauka, Novosibirsk 1974 (p. 262) (in Russian).
4. and , Electronic Phenomena in Adsorption and Catalysis, Izd. Nauka, Moscow 1979 (in Russian).