@book{DietrichMeyendorfWegner1997,
  author    = {Dietrich, Volkmar and Meyendorf, Gerhard and Wegner, Gerhard},
  title     = {Chemie : Stoffe, Reaktionen, Umwelt ; Ausgabe Brandenburg, Gesamtschule Realschule, 7/8, Arbeitsheft},
  publisher = {Volk und Wissen},
  address   = {Berlin},
  isbn      = {3-06-030820-9},
  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}
}