1. L.W. Niedrach, W.T. Grubb, in: W. Mitchel (Ed.), Fuel Cells, Academic Press, New York, 1963, p. 253.
2. The renaissance of the solid polymer fuel cell
3. R.K.A.M. Mallant, F.G.H. Koene, C.W.G. Verhoeve, Fuel Cell Seminar Program and Abstracts, 1994, p. 503.
4. J. Meacher, N.G. Vitale, US Patent 5858569 (1999).
5. T. Zawodiski, J. Bauman, S. Savet, T. Springer, F. Uribe, S. Gottefeld, Fuel Cell Seminar Program and Abstracts, Palm Springs, 1998, p. 586.