1. Yeager HL, Gronowski AA. In: Tant MR, Mauritz KA, Wilkes GL, editors. Ionomers synthesis, structure, properties and applications. London: Blackie Academic and Professional, 1997. p. 333.
2. Savadago O. New Mater for Electrochemical Systems 1998;1.
3. Linkous CA. In: Veziroglu TN, et al., editors. Hydrogen energy, progress IX. Proceedings of the 9th world hydrogen energy conference, vol I, Paris, France, 22–25 June. Paris: M.C.I., 1992. p. 419.
4. Stability of high-temperature polymers
5. The sodium salts of sulphonated poly(aryl-ether-ether-ketone) (PEEK): Preparation and characterization