@incollection{Baaken1999,
  author    = {Baaken, Thomas},
  title     = {Simultaneous Marktforschung},
  series = {Pepels W. (Hrsg.): Handbuch Moderne Marktforschungs-Praxis},
  booktitle = {Pepels W. (Hrsg.): Handbuch Moderne Marktforschungs-Praxis},
  address   = {Kriftel},
  pages     = {770 -- 782.},
  year      = {1999},
  language  = {mul}
}
@incollection{Baaken1999,
  author    = {Baaken, Thomas},
  title     = {Simultaneous Marktforschung},
  series = {Handbuch Moderne Marktforschungs-Praxis},
  booktitle = {Handbuch Moderne Marktforschungs-Praxis},
  address   = {Kriftel},
  pages     = {. 770 -- 782.},
  year      = {1999},
  language  = {mul}
}
@article{BalzJahnWulf1999,
  author    = {Balz, Ulrich and Jahn, Peer Walter and Wulf, Volker},
  title     = {Internet-Studie "Investor Realations 1999"},
  series = {ProfNet Praxis-Studien zum Internet},
  journal   = {ProfNet Praxis-Studien zum Internet},
  year      = {1999},
  language  = {mul}
}
@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}
}
@incollection{Buchholz1999,
  author    = {Buchholz, Wolfgang},
  title     = {Einkaufsleistungen messen.},
  series = {Der Einkaufs- und Lagerwirtschaftsberater, 84. Erg{\"a}nzung},
  booktitle = {Der Einkaufs- und Lagerwirtschaftsberater, 84. Erg{\"a}nzung},
  address   = {Wiesbaden},
  pages     = {1 -- 26},
  year      = {1999},
  language  = {mul}
}
@incollection{BuchholzMische1999,
  author    = {Buchholz, Wolfgang and Mische, Justus},
  title     = {Hoechst Procurement International (hpi) - Neuausrichtung der strategischen Beschaffung bei Hoechst.},
  series = {Hahn, D., Kaufmann, L.: Handbuch Industrielles Beschaffungsmanagement},
  booktitle = {Hahn, D., Kaufmann, L.: Handbuch Industrielles Beschaffungsmanagement},
  address   = {Wiesbaden},
  pages     = {640 -- 656},
  year      = {1999},
  language  = {de}
}