@article{EtteIngenschayMaihold2008,
  author    = {Ette, Ottmar and Ingenschay, Dieter and Maihold, G{\"u}nther},
  title     = {Vorwort},
  isbn      = {978-3-86527-439-7},
  year      = {2008},
  language  = {de}
}
@article{BraigEtteIngenschayetal.2005,
  author    = {Braig, Marianne and Ette, Ottmar and Ingenschay, Dieter and Maihold, G{\"u}nther},
  title     = {Vorwort},
  isbn      = {3-86527-246-0},
  year      = {2005},
  language  = {de}
}
@book{BirleBraigEtteetal.2006,
  author    = {Birle, Peter and Braig, Marianne and Ette, Ottmar and Ingenschay, Dieter},
  title     = {Hemisph{\"a}rische Konstruktionen der Amerikas},
  series = {Bibliotheca ibero-americana},
  volume    = {109},
  journal   = {Bibliotheca ibero-americana},
  publisher = {Vervuert},
  address   = {Frankfurt am Main},
  isbn      = {3-86527-283-5},
  pages     = {170 S.},
  year      = {2006},
  language  = {de}
}
@article{BirleBraigEtteetal.2006,
  author    = {Birle, Peter and Braig, Marianne and Ette, Ottmar and Ingenschay, Dieter},
  title     = {Vorwort},
  isbn      = {3-86527-283-5},
  year      = {2006},
  language  = {de}
}