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Wippermann, K., C. Wannek, H.-F Oetjen, J. Mergel, andfavorite W. Lehnert. Cell Resistances of Poly (2,5-benzimidazole)-based High Temperature Polymer Membrane Fuel Cell Membrane Electrodes Assemblies: Time Dependence and Influence of Operating Parameters. New York, NY [u.a.]: Elsevier, 2010.

Wippermann, K., et al. Cell Resistances of Poly (2,5-benzimidazole)-based High Temperature Polymer Membrane Fuel Cell Membrane Electrodes Assemblies: Time Dependence and Influence of Operating Parameters. New York, NY [u.a.]: Elsevier, 2010.