Voland, Paul2020-10-282020-10-2820201737438615http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-111074http://elib.uni-stuttgart.de/handle/11682/11107http://dx.doi.org/10.18419/opus-11090eninfo:eu-repo/semantics/openAccess004510550620masterThesis