1. J.C. Amphlett, R.M. Baumert, R.F. Mann and B.A. Peppley, 27th IECEC, 3 (1992) 343.
2. B.A. Peppley, J.C. Amphlett, L.M. Kearns, R.F. Mann and P.R. Roberge, 32nd IECEC, 8 (1997) 768.
3. H. Voss and J. Huff, J. Power Sources, 65 (1997) 155.
4. E.C. Carlson, Chem. Eng. Prog., October 1996, 35.
5. M.V. Twigg, Catalyst Handbook, 2nd Edition, Wolfe Publishers Ltd., London, 1989.