@book{BruehningDreissusFintel2015,
  author    = {Ekkehard Br{\"u}hning and Sigrid Dreissus and Kai-Uwe von Fintel},
  title     = {INVUD - Datenbank internationaler Verkehrs- und Unfalldaten},
  series    = {Entwicklungsstand: Fr{\"u}hjahr 1989},
  year      = {2015},
}