Rösing, HelmutHelmutRösing2022-07-052008-01-072022-07-051987http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-51954https://jlupub.ub.uni-giessen.de/handle/jlupub/2940http://dx.doi.org/10.22029/jlupub-2633deIn Copyrightddc:780