1. R.E. Kesting, Synthetic Polymeric membranes, A Structural Perspective, Wiley, 1985.
2. F.D. Dardel, T.V. Arden, in: Ullman’s Encyclopedia of Industrial Chemistry, 5th Edition.
3. S. Faure, N. Cornet, G. Gebel, R. Mercier, M. Pineri, B. Sillion, Sulphonated polyimides as novel proton exchange membranes hor hydrogen oxygen fuel cells, 2nd International Symposium on New Materials for Fuel Cell and Modern Battery Systems, Montreal, Canada, 6–10 July 1997, pp. 818–827.
4. Synthesis and characterisation of novel acid–base polymer blends for application in membrane fuel cells;Kerres;Solid State Ionics,1999
5. T.A. Davis, J.D. Genders, D. Pletcher, Ion Permeable membranes, The Electrochemical Consultancy, Hampshire, England.