Martin, Ullrich (Prof. Dr.-Ing.)Wang, Bo2018-11-132018-11-13201851365464Xhttp://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-101174http://elib.uni-stuttgart.de/handle/11682/10117http://dx.doi.org/10.18419/opus-10100eninfo:eu-repo/semantics/openAccess620Investigation of form effect on ballast mechanical behavior based on discrete element modelingdoctoralThesis