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2. G. Deublein, B.Y. Liaw and R.A. Huggins, Solid State Ionics28–30, 1078 (1988).
3. G. Deublein and R.A. Huggins, unpublished results.
4. R. A. Huggins, J. Power Sources22, 341 (1988).
5. R.A. Huggins, in: Fast Ion Transport in Solids (B. Scrosati, et al., Eds.) Kluwer (1993), p. 143