1. 1) W. M. Yim and F. D. Rosi: J. Solid-State Electron. 15 (1972) 1121–1140.
2. 2) K. Rajasekar, L. Kungumadevi, A. Subbarayan and R. Sathyamoorthy: Ionics 14 (2008) 69–72.
3. 3) J. P. Fleurial, G. J. Snyder, J. A. Herman, P. H. Giauque, W. M. Phillips, M. A. Ryan, P. Shakkottai, E. A. Kolawa and M. A. Nicolet: Proc. 18th Int. Conf. on Thermoelectrics, (International Society of Thermoelectrics, 1999) pp. 294–300.
4. 4) J. Nurnus, H. Bottber and A. Lambrecht: Proc. 22nd Int. Conf. on Thermoelectrics, (International Society of Thermoelectrics, 2003) pp. 655–660.
5. 5) K. Tittes, A. Bund, W. Plieth, A. Bentien, S. Paschen, M. Plotner, H. Grafe and W. H. Fischer: J. Solid State Electrochem. 7 (2003) 714–723.