Hirschfeld, Gerhard (Prof. Dr.)Hogenkamp, Susanne2018-07-102018-07-102017507514734http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-99339http://elib.uni-stuttgart.de/handle/11682/9933http://dx.doi.org/10.18419/opus-9916deinfo:eu-repo/semantics/openAccess943doctoralThesis