Journal of power sources, vol. 134, no. 1, page. 72 - 79, 2004-07-12
Solid State Ionics, vol. 95, no. 3-4, page. 183 - 189, 1997-03
Journal of the Japanese Electrochemical Society, vol. 64, no. 6, page. 674 - 680, 1996-06