@techreport{malek-availabilityTools-tr,
  author = "M. Malek and G. Hoffmann and N. Milanovic and S. Bruening and R. Meyer and B. Milic",
  title = "Methoden und Werkzeuge zur Verfügbarkeitsermittlung",
  year = 2007,
  publisher = "Humboldt University Berlin",
  number = 219
}