1. T. Nejat Veziroglu (ed.), ?Hydrogen Energy?, Plenum, New York (1975).
2. J. O. M. Bockris, ?Energy: The Solar Hydrogen Alternative?, John Wiley & Sons, New York (1975).
3. D. Pletcher, ?Industrial Electrochemistry,? Chapman and Hall, New York (1982), Chapter 5.
4. H. Wendt and G. Imarisio,J. Appl. Electrochem. 17 (1988) 1.
5. B. V. Tilak, B. W. T. Lin, I. E. Colman and S. Srinivasan, in ?Comprehensive Treatise of Electrochemistry,? vol. 2 (edited by J. O'M. Bockris, B. E. Conway, E. Yeager and R. E. White), Plenum, New York (1981).