@misc{BuchholzdeBieBach2014,
  author    = {Buchholz, Wolfgang and de Bie, Holger and Bach, Norbert},
  title     = {Determinanten zur Wahl von Concurrent Sourcing als duale Beschaffungsstrategie - Eine explorative empirische Untersuchung in der Landmaschinen- und Chemieindustrie, BME Wissenschaftssymposium, W{\"u}rzburg 2014},
  year      = {2014},
  language  = {de}
}
@misc{BuchholzdeBieBach2014,
  author    = {Buchholz, Wolfgang and de Bie, Holger and Bach, Norbert},
  title     = {Rationales and Industry Differences of Concurrent Sourcing in the German Agricultural and Chemical Industry. 23rd Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Purchasing and Supply Management in Difficult Times - The Sky is the Limit". Pretoria, S{\"u}dafrika. 13.-16. April 2014},
  year      = {2014},
  language  = {en}
}