1. Proc. 23rd World Gas Conf., 5.3EF.04;Tanaka,2006
2. The 8th FCDIC Fuel Cell Symposium Proceedings;Echigo,2001
3. Proc. IEEE Power Engineering Society General Meeting;Aki,2007
4. Proc. Cogeneration Symposium;Takimoto,2002
5. Proc. 2006 Fuel Cell seminar;Fuziwara,2006