1. A.F. Ioffe, Energeticheskie osnovyi termoelektricheskoh baterei iz poluprovodnikov, AN SSSR, Moskva-Leningrad, 1951 (in Russian).
2. A.F. Ioffe, Poluprovodnikovie termoelementyi, AN SSSR, Moskva-Leningrad, 1960 (in Russian).
3. V.M. Glazov, A.S. Ohotin, R.P. Borovikova, and A.S. Pushkarskii, Metodyi issledovania termoelektricheskih svoistv poluprovodnikov, Atomizdat, Moskva, 1969, p. 32 (in Russian)
4. L.I. Anatyichuk, Termoelementyi i termoelektricheskie ustroistva, Spravochnik, Naukova dumka, Kiev,1979 (in Russian).
5. F. Klein, Termoelektricheskie materialyi i preobrazovatelei, Mir, Moskva, 1960, p 212 (in Russian).