@article{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Outsourcing der Beschaffung - Strategische Ausrichtung und organisatorische Umsetzung},
  series = {Zeitschrift F{\"u}hrung und Organisation (ZFO)},
  journal   = {Zeitschrift F{\"u}hrung und Organisation (ZFO)},
  number    = {5},
  pages     = {271 -- 277},
  year      = {1999},
  language  = {de}
}
@article{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Leistungsmessung in der Beschaffung},
  series = {Beschaffung Aktuell},
  journal   = {Beschaffung Aktuell},
  number    = {12},
  pages     = {52 -- 54},
  year      = {1999},
  language  = {de}
}
@article{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Performance Measurement f{\"u}r die strategische Beschaffung},
  series = {CheManager},
  journal   = {CheManager},
  number    = {8},
  pages     = {14},
  year      = {1999},
  language  = {de}
}
@article{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Hoechst Procurement International (hpi) - Potenter Einkaufsdienstleister auch f{\"u}r konzernfremde Unternehmen.},
  series = {Consulting Report},
  journal   = {Consulting Report},
  number    = {1},
  pages     = {31 -- 33},
  year      = {1999},
  language  = {de}
}
@article{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Procurement Performance Tracking - DV-Tool zur Messung und Darstellung von Beschaffungsleistungen},
  series = {Beschaffung Aktuell},
  journal   = {Beschaffung Aktuell},
  number    = {5},
  pages     = {56 -- 57},
  year      = {1999},
  language  = {de}
}