1. E.N. Nikitin, V.G. Bazanov, and V.I. Tarasov, Sov. Phys. Solid State 12, 2648 (1962).
2. R.J. Labotz, D.R. Mason, and D.F. O’Kanne, J. Electrochem. Soc. 2, 127 (1963).
3. E.N. Nikitin, E.N. Tkalenko, V.K. Zaitsev, A.I. Zaslavskij, and A.K. Kuznetsov, Izvestia Akad. Nauk. SSSR, Neorg. Mater. 4, 1902 (1968).
4. V.K. Zaitsev, M.I. Fedorov, I.S. Eremin, and E.A. Gurieva, Thermoelectrics Handbook: Micro to Nano, Chap. 29, ed. by D.M. Rowe (New York: Taylor & Francis, 2005).
5. V.K. Zaitsev, M.I. Fedorov, E.A. Gurieva, I.S. Eremin, P.P. Konstantinov, A.Yu. Samunin, and M.V. Vedernikov, Phys. Rev. B 74, 045207 (2006).