Ullrich, EgonEgonUllrich2022-07-042014-01-222022-07-041951http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-105898https://jlupub.ub.uni-giessen.de/handle/jlupub/2708http://dx.doi.org/10.22029/jlupub-2405deIn Copyrightddc:510