Arulraj, I. and Tietz, F. and Gupta, A. and Jungen, W. and Stover, D. (2001) High-temperature superconductor materials for contact layers in solid oxide fuel cells: II. Chemical properties at operating temperatures. Acta Materialia, 49 (11). pp. 1987-1992. ISSN 1359-6454

Arulraj, I. and Tietz, F. and Gupta, A. and Jungen, W. and Wessel, E. and Buchkremer, H.P. and Stoever, D. (2000) On the synthesis and characteriation of bismuth containing superconductors as contact layer material intermediate temperature solid oxide fuel cells (ITSOFC). Transactions of the SAEST, 35 (2).