1. K. M. Abraham, in Electrochemical Applications of Electroactive Polymers, (Edited by B. Scrosati) 75, Chapman and Hall, London (1993)
2. M. B. Armand, in Polymer Electrolyte Reviews 1, (Edited by J. R. MacCallum and C. A. Vincent) Elsevier Applied Science, London (1987)
3. M. Popall, J. Kappel, J. Schulz and H. Wolter, in Micro System Technologies 94, (Edited by H. Reichl and A. Heuberger) 271, VDE-Verlag, Berlin (1994)
4. C. H. Brinker and G. Scherer, Sol–gel Science, Academic Press, London (1990)
5. C. Roscher and M. Popall, Mat. Res. Soc. Proc. 435, 547 (1966)