1. P.J. Gellings and H. J. M. Bouwmeester,The CRC Handbook of Solid State Electrochemistry (Boca Raton, FL: CRC Press Inc., 1997).
2. I. Barin,Thermochemical Data of Pure Substances, Volumes I & II (Weinheim, Germany: VCH Publishers, 1995).
3. C.E.G. Padro and V. Putsche, “Survey of the Economics of Hydrogen Technologies,” Technical Report NREL/TP-570-27079. National Renewable Energy Laboratory (September 1999).
4. M.M. Shah, R.F. Drnevich, and U. Balachandran, “Integrated Ceramic Membrane System for Hydrogen Production,”Proc. 2000 Hydrogen Program Review (Golden, CO: National Renewable Energy Laboratory, 2000); also Argonne National Laboratory Report #ANL/ET/CP-102953 (September 2000).
5. S.S. Liou and W.L. Worrell, “Electrical Properties of Novel Mixed-Conducting Oxides,”Appl. Phys. A, 49 (1989), pp. 25–31.