@inproceedings{DelkeBuchholzSchiele2021,
  author    = {Vincent Delke and Wolfgang Buchholz and Holger Schiele},
  title     = {Specifying roles in purchasing and supply management in the era of Industry 4.0: A Delphi study},
  booktitle = {28th EurOMA conference: Managing the "new normal": The future of Operations and Supply Chain Management in unprecedented times},
  year      = {2021},
}