@book{BricksBuetowBuetowetal.2000,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and B{\"u}tow, Martin and Herzig, Reinhard and Morgeneyer, Frank and Untisz, M.},
  title     = {Seydlitz Geographie 10 : Arbeitsheft, Gymnasium Sachsen},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52529-1},
  pages     = {32 S.},
  year      = {2000},
  language  = {de}
}
@book{BoettcherMingenbachStarkeetal.2000,
  author    = {B{\"o}ttcher, Kirsten and Mingenbach, Hans-Michael and Starke, Rainer and M{\"u}ller, Helmut and Waldeck, Winfried and Wehrs, Klaus and Amtsfeld, Peter and Herzig, Reinhard},
  title     = {Seydlitz Geographie 3 : Arbeitsblattsammlung: Asien, Amerika, Afrika, Australien, Ozeanien, Polargebiete, Weltbev{\"o}lkerung und Weltwirtschaft},
  volume    = {3},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-5075-2462-7},
  pages     = {256 S.},
  year      = {2000},
  language  = {de}
}
@book{BoettcherMingenbachStarkeetal.2000,
  author    = {B{\"o}ttcher, Kirsten and Mingenbach, Hans-Michael and Starke, Rainer and M{\"u}ller, Helmut and Waldeck, Winfried and Wehrs, Klaus and Amtsfeld, Peter and Herzig, Reinhard},
  title     = {Seydlitz Geographie 1 : Arbeitsblattsammlung Teil 1: Die Erde : Methoden der Geographie},
  volume    = {1},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-5075-2460-0},
  pages     = {256 S.},
  year      = {2000},
  language  = {de}
}
@book{BoettcherMingenbachStarkeetal.2000,
  author    = {B{\"o}ttcher, Kirsten and Mingenbach, Hans-Michael and Starke, Rainer and M{\"u}ller, Helmut and Waldeck, Winfried and Wehrs, Klaus and Amtsfeld, Peter and Herzig, Reinhard},
  title     = {Seydlitz Geographie 2 : Arbeitsblattsammlung: Deutschland, Europa},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {234 S.},
  year      = {2000},
  language  = {de}
}
@book{BuetowHerzigJahnetal.2000,
  author    = {B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen and B{\"u}tow, Martin},
  title     = {Seydlitz Erdkunde 4 : Lehrerhandreichungen},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {236 S.},
  year      = {2000},
  language  = {de}
}
@article{Herzig2000,
  author    = {Herzig, Reinhard},
  title     = {Veranschaulichung von Geodaten mittels Kartogramm},
  year      = {2000},
  language  = {de}
}