1. A.F. Ioffe, E.K. Iordanishvili, T.S. Staviskaya, A. Gelbtuch, Semiconductor Thermoelements and Thermoelectric Cooling (InfoSearch, London, 1957)
2. A.F. Ioffe, L.S. Stilbans, E.K. Iordanishvili, T.S. Stavitskaya, Termoelektricheskoe Okhlazhdenie (U.S.S.R. Academy of Sciences, Moscow-Leningrad, 1949)
3. V. Siklitsky, Silicon Germanium (May 2012). http://www.ioffe.rssi.ru
4. J. Snyder, Thermoelectrics (Dec 2014 and references therein). http://www.its.caltech.edu/~jsnyder
5. H.J. Goldsmid, R.W. Douglas, Br. J. Appl. Phys. 5, 386 (1954)