@article{BarthelDuvinage1996,
  author    = {Barthel, Helmut and Duvinage, Brigitte},
  title     = {Entz{\"u}nden von Ethanol durch Ozon},
  year      = {1996},
  language  = {de}
}
@book{BarthelDuvinage1996,
  author    = {Barthel, Helmut and Duvinage, Brigitte},
  title     = {Experimente mit Ozon},
  publisher = {Univ.},
  address   = {Potsdam},
  pages     = {30 S.},
  year      = {1996},
  language  = {de}
}
@book{BarthelDuvinage1999,
  author    = {Barthel, Helmut and Duvinage, Brigitte},
  title     = {Ozon : Informationsmaterial zur Fortbildung von Chemielehrern},
  publisher = {Gesellschaft Deutscher Chemiker},
  address   = {Frankfurt am Main},
  year      = {1999},
  language  = {de}
}
@book{BarthelDuvinage1999,
  author    = {Barthel, Helmut and Duvinage, Brigitte},
  title     = {R{\"u}benzuckergewinnung experimentell behandelt},
  year      = {1999},
  language  = {de}
}
@book{DietrichArndtArnoldetal.1997,
  author    = {Dietrich, Volkmar and Arndt, Barbara and Arnold, Karin and Duvinage, Brigitte},
  title     = {Chemie : Stoffe, Reaktionen, Umwelt ; Ausgabe Sachsen, Mittelschule, 9, Arbeitsheft},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  isbn      = {3-06-030922-1},
  year      = {1997},
  language  = {de}
}
@book{DietrichDuvinageArndtetal.1997,
  author    = {Dietrich, Volkmar and Duvinage, Brigitte and Arndt, Barbara and Arnold, Karin},
  title     = {Chemie : Stoffe, Reaktionen, Umwelt ; Ausgabe Th{\"u}ringen, Regelschule, 9, Arbeitsheft},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  isbn      = {3-06-030926-4},
  year      = {1997},
  language  = {de}
}
@book{DietrichDuvinageArndtetal.1997,
  author    = {Dietrich, Volkmar and Duvinage, Brigitte and Arndt, Barbara and Arnold, Karin and Block, Adolf and Elsner, Johannes and Meyendorf, Gerhard and Teichmann, Jochen},
  title     = {Chemie : Stoffe, Reaktionen, Umwelt ; Ausgabe Sachsen-Anhalt, Sekundarschule, 9/10, Arbeitsheft},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  isbn      = {3-06-030925-6},
  year      = {1997},
  language  = {de}
}
@book{DietrichDuvinageArndtetal.1997,
  author    = {Dietrich, Volkmar and Duvinage, Brigitte and Arndt, Barbara and Arnold, Karin and Boeck, Helmut and Block, Adolf and Brauer, Roland and Lange, P. and Meyendorf, Gerhard and Teichmann, Jochen and Wegner, Gerhard},
  title     = {Chemie : Stoffe, Reaktionen, Umwelt ; Ausgabe Brandenburg, Gesamtschule Realschule, 9/10, Arbeitsheft},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  isbn      = {3-06-030927-2},
  year      = {1997},
  language  = {de}
}
@book{DietrichDuvinageArndtetal.1998,
  author    = {Dietrich, Volkmar and Duvinage, Brigitte and Arndt, Barbara and Arnold, Karin and Wegner, Gerhard},
  title     = {Chemie : Stoffe, Reaktionen, Umwelt ; Ausgabe Mecklenburg-Vorpommern, Realschule, Gesamtschule, 10, Arbeitsheft},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  isbn      = {3-06-031010-6},
  year      = {1998},
  language  = {de}
}
@book{DietrichDuvinageObstetal.1992,
  author    = {Dietrich, Volkmar and Duvinage, Brigitte and Obst, H. and Arnold, Karin},
  title     = {Chemie : Arbeitsheft ; 3. Alkane - Alkene - Alkine, Alkohole - Aldehyde - Carbons{\"a}uren, Seifen und Waschmittel u.a.},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  year      = {1992},
  language  = {de}
}