1. T. Xu, J. Membr. Sci. 263, 1 (2005).
2. A. B. Yaroslavtsev, V. V. Nikonenko, and V. I. Zabolotskii, Usp. Khim. 72, 2935 (2003).
3. D. J. Jones and J. Roziere, Handbook of Fuel Cells—Fundamentals, Technology and Applications, vol. 3: Fuel Cell Technology and Applications, Ed. by W. Vielstich, H. A. Gasteiger, and A. Lamm (Wiley, Hoboken, NJ, 2003), p. 447.
4. G. Alberti and M. Casciola, Ann. Rev. Mater. Res. 33, 129 (2003).
5. B. Bonnet, D. J. Jones, J. Roziere, et al., J. New Mater. Electrochem. Syst. 3, 87 (2000).