@incollection{Kriegesmann2018,
  author    = {Bernd Kriegesmann},
  title     = {Der Facility Management-Anbietermarkt im Wandel},
  booktitle = {Facility-Management. Praxishandbuch f{\"u}r integriertes Immobilienmanagement (Loseblattsammlung)},
  editor    = {Fritz Dieter Erbsl{\"o}h and J{\"u}rgen Galonska},
  year      = {2018},
}