1. and , Electronic Processes in Non-Crystalline Materials, Clarendon Press, Oxford 1971;
2. Elektronnye protsessi v nekristallicheskikh veshchestvakh, Izd. Mir, Moscow 1974 (in Russian).
3. and , Structural Features of Semiconductors in Amorphous State, Naukova Dumka, Kiev 1976 (in Russian).
4. Structure of semiconductors in noncrystalline states