Gauckler, L. J., Beckel, D., Buergler, B. E., Jud, E., Muecke, U. P., Prestat, M., Rupp, J. L., & Richter, J. (2004). Solid Oxide Fuel Cells: Systems and Materials. CHIMIA, 58(12), 837. https://doi.org/10.2533/000942904777677047