1. Holey and Unholey Semiconductors
2. CRC handbook of thermoelectrics;Slack,1995
3. Narrow band in the intermetallic compounds MNiSn (M=Ti, Zr, Hf)
4. Kloc C, Fess K, Käfer W, Friemelt K, Riazi-Nejad H, Bucher E. Proc. 15th Int. Conf. Thermoelectr. Piscataway, NJ: IEEE; 1996. p.155.
5. Cook BA, Harringa JL, Tan ZS, Jesser WA. Proc. 15th Int. Conf. Thermoelectr. CA: Pasadena; 1996. p. 122.