@article{Denecke1991,
  author    = {Denecke, Klaus-Dieter},
  title     = {Congruences on maximal partial clones and strong regular varieties generated by preprimal partial algebras II},
  year      = {1991},
  language  = {en}
}
@article{Denecke1991,
  author    = {Denecke, Klaus-Dieter},
  title     = {Strong regular varieties of partial algebras I},
  year      = {1991},
  language  = {en}
}
@article{Denecke1991,
  author    = {Denecke, Klaus-Dieter},
  title     = {Minimal algebras and category equivalences},
  year      = {1991},
  language  = {en}
}
@article{Crome1991,
  author    = {Crome, Erhard},
  title     = {Pl{\"a}doyer f{\"u}r einen Wechsel des Paradigmas der Politik},
  year      = {1991},
  language  = {de}
}
@article{CromeFranzkeMontagetal.1991,
  author    = {Crome, Erhard and Franzke, Jochen and Montag, Claus and Schrader, Lutz},
  title     = {New challenges for european security policy in the 90s},
  year      = {1991},
  language  = {en}
}
@article{CromeFranzke1991,
  author    = {Crome, Erhard and Franzke, Jochen},
  title     = {Osteuropaforschung der DDR in den achtziger Jahren : Struktur und Schwerpunkte},
  year      = {1991},
  language  = {de}
}
@article{CromeFranzke1991,
  author    = {Crome, Erhard and Franzke, Jochen},
  title     = {Osteuropa im Jahre Zwei : eine kritische Zwischenbilanz der Transformation},
  year      = {1991},
  language  = {de}
}
@article{Crome1991,
  author    = {Crome, Erhard},
  title     = {Menetekel neuer Weltenauseinandersetzungen? : noch einmal {\"u}ber den Golfkrieg},
  year      = {1991},
  language  = {de}
}
@article{Crome1991,
  author    = {Crome, Erhard},
  title     = {Zur Ann{\"a}herung an die Probleme Osteuropas im europ{\"a}ischen Kontext},
  year      = {1991},
  language  = {de}
}
@article{Crome1991,
  author    = {Crome, Erhard},
  title     = {Die ver{\"a}nderte Situation S{\"u}dosteuropas},
  year      = {1991},
  language  = {de}
}