@article{KrumreinKuglerRaumetal.1995,
  author    = {Krumrein, Frieder and Kugler, Brigitte and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Nordrhein-Westfalen 5 / 6},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {34 S.},
  year      = {1995},
  language  = {de}
}
@article{EhrlichmannKrumreinMeinckeetal.1995,
  author    = {Ehrlichmann, Frank and Krumrein, Frieder and Meincke, Rolf and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Brandenburg ; Lehrerheft},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {36 S.},
  year      = {1995},
  language  = {de}
}
@article{EhrlichmannKrumreinKugleretal.1995,
  author    = {Ehrlichmann, Frank and Krumrein, Frieder and Kugler, Brigitte and Meincke, Rolf and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke and Zimmermann, Bernd},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Berlin 5 / 6},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {34 S.},
  year      = {1995},
  language  = {de}
}
@article{MeinckeRaumSchroederetal.1995,
  author    = {Meincke, Rolf and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Baden-W{\"u}rttemberg 5 / 6},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {34 S.},
  year      = {1995},
  language  = {de}
}
@book{GeibertHerzigKrumbeinetal.1995,
  author    = {Geibert, H. and Herzig, Reinhard and Krumbein, F. and Raum, Bernd},
  title     = {Terra - Geographie : Arbeitsheft f{\"u}r Rheinland-Pfalz 5/6 ; Lehrerheft},
  publisher = {Klett-Perthes; Klett},
  address   = {Gotha; Gotha},
  isbn      = {3-12-283174-0},
  pages     = {20 S.},
  year      = {1995},
  language  = {de}
}
@article{KuglerRaumSchroederetal.1996,
  author    = {Kugler, Brigitte and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke and Zimmermann, Bernd},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Hessen 5 / 6 ; Lehrerheft},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {21 S.},
  year      = {1996},
  language  = {de}
}
@article{KrumreinKuglerRaumetal.1996,
  author    = {Krumrein, Frieder and Kugler, Brigitte and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Nordrhein-Westfalen 5 / 6 ; Lehrerheft},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {32 S.},
  year      = {1996},
  language  = {de}
}
@article{KuglerRaumSchroederetal.1996,
  author    = {Kugler, Brigitte and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke and Zimmermann, Bernd},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Hessen 5 / 6},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {34 S.},
  year      = {1996},
  language  = {de}
}
@article{EhrlichmannKrumreinKugleretal.1996,
  author    = {Ehrlichmann, Frank and Krumrein, Frieder and Kugler, Brigitte and Meincke, Rolf and Raum, Bernd and Schr{\"o}der, Ulrich and Uhlenwinkel, Anke and Zimmermann, Bernd and Zoska, Marianne},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Berlin 5 / 6 ; Lehrerheft},
  publisher = {Perthes},
  address   = {Gotha},
  pages     = {32 S.},
  year      = {1996},
  language  = {de}
}