Fritzsche, RobertRobertFritzsche2022-07-282017-10-182022-07-2819050342-1198http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-132608https://jlupub.ub.uni-giessen.de/handle/jlupub/3724http://dx.doi.org/10.22029/jlupub-3315deIn Copyrightddc:943