@article{LubrichEtte2004,
  author    = {Lubrich, Oliver and Ette, Ottmar},
  title     = {Die Reise durch eine andere Bibliothek : Nachwort},
  isbn      = {3-8218-4538- 4},
  year      = {2004},
  language  = {de}
}
@article{EtteLubrich2004,
  author    = {Ette, Ottmar and Lubrich, Oliver},
  title     = {Die andere Reise durch das Universum : Nachwort},
  isbn      = {3-8218-4549-X},
  year      = {2004},
  language  = {de}
}
@article{EtteLubrich2004,
  author    = {Ette, Ottmar and Lubrich, Oliver},
  title     = {Zu diesem Kartenwerk},
  isbn      = {3-8218-4549-X},
  year      = {2004},
  language  = {de}
}
@article{LubrichEtte2004,
  author    = {Lubrich, Oliver and Ette, Ottmar},
  title     = {Zeittafel und Editorische Notiz},
  isbn      = {3-8218-4538- 4},
  year      = {2004},
  language  = {de}
}
@article{EtteLubrich2004,
  author    = {Ette, Ottmar and Lubrich, Oliver},
  title     = {Zeittafel und Editorische Notiz},
  isbn      = {3-8218-4549-X},
  year      = {2004},
  language  = {de}
}