1. J. Daniels, K.H. H�rdtl: Philips Res. Rep.31, 489 (1976)
2. R. Wernicke: Philips Res. Rep.31, 526 (1976)
3. E.M. Logothetis: Ceram. Eng. Sci. Proc.1, 281 (1980)
4. E.M. Logothetis: Sensors and Actuators4, 330 (1983)
5. W. Weppner: Enhanced Motion in Solid Electrode Materials. In:Materials for Advanced Batteries, ed. by Murphy, Broodhead, Steele (Plenum, New York 1980)