Graef, VolkmarVolkmarGraef2022-08-102013-08-022022-08-1019820533-8689http://nbn-resolving.de/urn:nbn:de:hebis:26-opus-99838https://jlupub.ub.uni-giessen.de/handle/jlupub/5775http://dx.doi.org/10.22029/jlupub-5226deIn Copyrightddc:610