@incollection{PumpeVallee2015,
  author    = {Pumpe, Andreas and Vall{\´e}e, Franz},
  title     = {Total Landed Cost for International Sourcing Decisions: Applying Importance-Performance Analysis to Evaluate Information Systems},
  series = {Proceeding of the 5th International Conference on Logistics, Informatics and Service Sciences},
  booktitle = {Proceeding of the 5th International Conference on Logistics, Informatics and Service Sciences},
  address   = {Barcelona},
  isbn      = {978-1-4799-1890-4},
  pages     = {6},
  year      = {2015},
  language  = {en}
}
@incollection{PumpeVallee2015,
  author    = {Pumpe, Andreas and Vall{\´e}e, Franz},
  title     = {The Total Landed Cost Concept Begging for Answers},
  series = {Blecker T, Kersten W, Ringle CM, editors. Operational Excellence in Logistics and Supply Chains: Optimization Methods, Data-driven Approaches and Security Insights. Proceedings of the Hamburg Internat},
  booktitle = {Blecker T, Kersten W, Ringle CM, editors. Operational Excellence in Logistics and Supply Chains: Optimization Methods, Data-driven Approaches and Security Insights. Proceedings of the Hamburg Internat},
  publisher = {epubli GmbH},
  address   = {Berlin},
  isbn      = {978-3-7375-4058-2},
  pages     = {31 -- 54},
  year      = {2015},
  language  = {en}
}