1. A. L. Laskar and S. Chandra (eds) “Superionic solids and solid electrolytes — recent trends” (Academic Press, NY, 1989).
2. P. S. Nicholson, M. S. Whittingham, G. C. Farrington, W. W. Smeltzer and J. Thomas (eds) “Solid state ionics — 91” (North Holland. Amsterdam, 1992).
3. B. V. R. Chowdari, S. Chandra, S. Singh and P. C. Srivastava (eds) “Solid state ionics — materials and applications” (World Scientific, Singapore, 1992).
4. T. Minami and N. Machida, in “Solid state ionics international conference on advanced materials — 91”, edited by M. Balakanski, T. Takahashi and H. L. Tuller (Elsevier, Amsterdam, 1992) p. 91.
5. C. A. Angell, Solid State Ionics
18/19 (1986) 72.