Roloff, GustavGustavRoloff2022-07-042013-12-132022-07-041948http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-104986https://jlupub.ub.uni-giessen.de/handle/jlupub/2668http://dx.doi.org/10.22029/jlupub-2365deIn Copyrightddc:900