@article{DircksenVallee2011,
  author    = {Dircksen, Michael and Vall{\´e}e, Franz},
  title     = {Extended logistical factors for success in international trade},
  series = {World Customs Journal},
  journal   = {World Customs Journal},
  pages     = {77 -- 94},
  year      = {2011},
  language  = {en}
}
@article{KochFeldmannVallee2017,
  author    = {Koch, Valerie and Feldmann, Carsten and Vall{\´e}e, Franz},
  title     = {Logistikdienstleistung: Der Weg zum guten Service Level Agreement},
  series = {Logistik HEUTE},
  volume    = {2017},
  journal   = {Logistik HEUTE},
  number    = {4},
  issn      = {0173-6213},
  pages     = {64 -- 66},
  year      = {2017},
  language  = {de}
}
@article{ValleeSchulz2018,
  author    = {Vall{\´e}e, Franz and Schulz, Colin},
  title     = {Ohne Logistik kein Omnichannel},
  series = {Logistik HEUTE},
  journal   = {Logistik HEUTE},
  number    = {7-8},
  pages     = {64 -- 65},
  year      = {2018},
  language  = {mul}
}