@article{BuchholzAppelfellerSchulteindenBaeumen2006,
  author    = {Wolfgang Buchholz and Wieland Appelfeller and Marcus Schulte in den B{\"a}umen},
  title     = {Prozesse optimieren},
  journal   = {Beschaffung aktuell (BA)},
  number    = {12},
  year      = {2006},
}