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ELECTROCHEMICAL AND SOLID STATE LETTERS, vol. 12, no. 4, page. B57 - B60, 2009-01
JOURNAL OF POWER SOURCES, vol. 180, no. 1, page. 195 - 198, 2008-05-15
SOLID STATE IONICS, vol. 178, no. 29-30, page. 1602 - 1607, 2007-12
SOLID STATE IONICS, vol. 177, no. 11-12, page. 1053 - 1057, 2006-04