@book{GroenerKnorr2018,
  author    = {Helmut Gr{\"o}ner and Andreas Knorr},
  title     = {Markt{\"o}ffnung im Postwesen durch Lizenzierung?},
  publisher = {Mohr},
  address   = {T{\"u}bingen},
  isbn      = {3-16-146392-7},
  pages     = {116},
  year      = {2018},
  abstract  = {.},
  language  = {de}
}