1. 1) M. Niino and L.-D. Chen: Proc. 12th Int. Conf. Thermoelectrics (XII-ICT), ed. by K. Matsuura, IEEE Japan, Yokohama, (1993), p. 527.
2. 2) Y. Noda, M. Orihashi and I. A. Nishida: Proc. Symp. Thermoelectric Conversion ’95 (TEC ’95), The Society of Non-Traditional Technology, (1995) p. 40;
3. Trans. IEE of Japan, 116-A (1996), 242.
4. 3) M. Battaglioli, V. Fano, G. Mignoni and Pergolari: Proc. 4th Int. Conf. on Thermoelectric Energy Conversion (ICTEC), IEE, Arligton, (1982), p. 114.
5. 4) K. Uemura and I. A. Nishida: Thermoelectric Semiconductors and Their Applications, Nikkan Kogyo Shinbunsha, (1988), p. 179.