1. C. Berger, ed. Handbook of Fuel Cell Technology (Prentice Hall, Englewood Cliffs, NJ, 1968).
2. A. McDougall, Fuel Cells (MacMillan, London, 1976).
3. B. V. Tilak, R. S. Yeo, and S. Srinivasan, in Comprehensive Treatise of Electrochemistry, Vol. 3 (J. O’M. Bockris et al., ed.) (Plenum, New York, 1981), Ch. 2.
4. G. H. J. Broers, TNO-Netherlands, File No. DA-91-591-EUC-1023 (1959).
5. A. J. Bard and L. R. Faulkner, Electrochemical Methods: Fundamentals and Applications (Wiley, New York, 1980).