1. , , , and , Proc. 10th Internat. Conf. Physics Semiconductors, Cambridge (Mass.) 1970 (p. 672).
2. , and , J. non-crystall. Solids 8 to 10, 223 (1972).
3. Dc electrical conductivity of Ge2S3Agx glasses at high hydrostatic pressure
4. , and , Electronic Phenomena in Non-Crystalline Semiconductors, Ed. Izd. Nauka, Leningrad, 1976 (p. 249).
5. Glassy semiconducting As2Te3