@Article{Seemann:1998:UML,
  author =       "Jochen Seemann and J{\"u}rgen Wolff von Gudenberg",
  title =        "{UML}- {Unified Modeling Language}",
  journal =      "Informatik-Spektrum",
  year =         "1998",
  volume =       "21",
  number =       "2",
  pages =        "89--90",
}