Ullrich, RichardRichardUllrich2023-06-302006-07-242023-06-301908http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-31111https://jlupub.ub.uni-giessen.de/handle/jlupub/18067http://dx.doi.org/10.22029/jlupub-17435deIn Copyrightddc:370