Affiliation: | 1. Fuel Cell Research Center (ZBT GmbH), Carl-Benz-Str. 201, 47057 Duisburg, Germany;2. Laboratory of Measurement and Sensor System Techniques, Technische Universität Dresden, Helmholtzstraße 18, 01069 Dresden, Germany;3. IFW Dresden, SAWLab Saxony, P.O. Box 270116, 01171 Dresden, Germany |