@article{BuchholzBach1998,
  author    = {Buchholz, Wolfgang and Bach, Norbert},
  title     = {Innovatie, Proces of Project?},
  series = {"PEM" (De beste Artikelen uit de buitenlandse Vaktijdschriften)},
  journal   = {"PEM" (De beste Artikelen uit de buitenlandse Vaktijdschriften)},
  number    = {2},
  pages     = {57 -- 65},
  year      = {1998},
  language  = {en}
}
@incollection{BuchholzMeiners2008,
  author    = {Buchholz, Wolfgang and Meiners, Daniel},
  title     = {Attainment of higher quality for innovative ideas by systematic utilisation of external sources},
  series = {Attainment of higher quality for innovative ideas by systematic utilisation of external sources},
  booktitle = {Attainment of higher quality for innovative ideas by systematic utilisation of external sources},
  address   = {Hamburg},
  year      = {2008},
  language  = {en}
}
@misc{BuchholzCronedeBie2011,
  author    = {Buchholz, Wolfgang and Crone, Niklas and de Bie, Holger},
  title     = {Changing the Value Chain - Conceptional Framework and Case Studies for In- and Outsourcing Strategies, EIASM Colloquium on Organisational Change and Development - Advances, Challenges and Development, Malta 2011},
  year      = {2011},
  language  = {en}
}
@misc{BuchholzKirschTeitscheid2012,
  author    = {Buchholz, Wolfgang and Kirsch, Therese and Teitscheid, Petra},
  title     = {Sustainable raw material procurement as an answer to the risk of supply in food industry, Leuphana Sustainability Summit, L{\"u}neburg 2012},
  year      = {2012},
  language  = {en}
}
@incollection{Buchholz2014,
  author    = {Buchholz, Wolfgang},
  title     = {Borderless business - Bridging the gaps between fairly contrastive management concepts},
  series = {Baaken, T./Teczke, J. [Edit.]: Managing Disruption and Destabilisation},
  booktitle = {Baaken, T./Teczke, J. [Edit.]: Managing Disruption and Destabilisation},
  publisher = {International Management Foundation},
  address   = {Cracow},
  isbn      = {978-3-938137-49-9},
  pages     = {143 -- 156},
  year      = {2014},
  language  = {en}
}
@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}
}
@misc{BuchholzGraweLuehrmann2015,
  author    = {Buchholz, Wolfgang and Grawe, Thomas and L{\"u}hrmann, Matthias},
  title     = {How to apply buyer-supplier-supplier relationships for defining sourcing strategies. 24th Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Preparing for new competitive challenges". Amsterdam, Netherlands. 29. March -1. April 2015},
  year      = {2015},
  language  = {en}
}
@misc{KappelBuchholz2016,
  author    = {Kappel, Antonia and Buchholz, Wolfgang},
  title     = {Application of a Supply Net Mapping Model to improve strategic sourcing in the agricultural machinery industry. 25th Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Purchasing \& Supply Management - from efficiency to effectiveness in an integrated Supply Chain Management". Dortmund, Germany.},
  year      = {2016},
  language  = {en}
}
@misc{KappelSchieleBuchholz2017,
  author    = {Kappel, Antonia and Schiele, Holger and Buchholz, Wolfgang},
  title     = {How to capture suppliers' relationships with competitors and complementors? - An approach to supply network mapping using a World Caf{\´e} method, 26th Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Coping with the Future: Picking your Battles", Budapest/Balatonfured, Hungary},
  year      = {2017},
  language  = {en}
}
@misc{HoltBuchholzdeBie2017,
  author    = {Holt, Christian and Buchholz, Wolfgang and de Bie, Holger},
  title     = {How to identify indirect material for global sourcing? Conceptualization of a portfolio matrix based on an exploratory empirical study, 26th Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Coping with the Future: Picking your Battles", Budapest/Balatonfured, Hungary , 2017},
  year      = {2017},
  language  = {en}
}