@incollection{DircksenWinkelhaus2012,
  author    = {Dircksen, Michael and Winkelhaus, Mario},
  title     = {Extended logistical factors for port evaluation from a business perspective},
  series = {University of Antwerp - KEY DEVELOPMENTS IN THE PORT AND MARITIME SECTOR. WCTRS - Special Interest Group 2},
  booktitle = {University of Antwerp - KEY DEVELOPMENTS IN THE PORT AND MARITIME SECTOR. WCTRS - Special Interest Group 2},
  year      = {2012},
  language  = {en}
}
@incollection{DircksenValleeWinkelhaus2012,
  author    = {Dircksen, Michael and Vall{\´e}e, Franz and Winkelhaus, Mario},
  title     = {Extended logistical factors for setting up the optimal international distribution strategy},
  series = {The Korean Society of Supply Chain Management: The 7th International Congress on Logistics and SCM Systems. "Unfolding the New Era of Business Collaboration"},
  booktitle = {The Korean Society of Supply Chain Management: The 7th International Congress on Logistics and SCM Systems. "Unfolding the New Era of Business Collaboration"},
  address   = {Seoul, Korea},
  year      = {2012},
  language  = {en}
}