@article{BroscheitBuetowGehrkeetal.1994,
  author    = {Broscheit, Frank and B{\"u}tow, Heike and Gehrke, Albrecht and Jahn, Gert and J{\"u}rgens, Christoph and Kißner, Karl-Heinz and Klohn, Werner and Knitschky, Wolfgang and Mager, Franz-Peter and Maier, Klaus and M{\"u}hlberger, Wolfgang and M{\"u}lders, Wolfgang and Rappen-R{\"o}hlen, Beate and Reinhardt, Karl Heinz and Schmidt, Marianne and Schmidtke, Kurt-Dietmar and Volkmann, Hartmut and Wetzel, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 1 : Ausgabe f{\"u}r Realschulen in Nordrhein-Westfalen},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {176 S.},
  year      = {1994},
  language  = {de}
}
@book{BricksBuetowHerzigetal.1998,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen and Schmidtke, Kurt-Dietmar},
  title     = {Seydlitz Erdkunde 1 : Arbeitsheft, Sachsen},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {40 S.},
  year      = {1998},
  language  = {de}
}
@book{BricksBuetowBuetowetal.1998,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and B{\"u}tow, Martin and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 3 : Kl. 7/8, 7-9 bzw. 8/9, Arbeitsheft Teil 1: Die Erde, Asien, Afrika, Sekundarstufe 1 Neue Bundesl{\"a}nder, Berlin},
  volume    = {3,1},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52523-2},
  pages     = {32 S.},
  year      = {1998},
  language  = {de}
}
@book{BauerBricksBuetowetal.1998,
  author    = {Bauer, G{\"u}nter and Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Marth, U. and Meißgeier, J{\"u}rgen and Schmidtke, Kurt-Dietmar and Ullrich, Ch.},
  title     = {Seydlitz Erdkunde 1 : Kl. 5/6, Sekundarstufe 1 Neue Bundesl{\"a}nder, Berlin},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-5075-2521-6},
  pages     = {176 S.},
  year      = {1998},
  language  = {de}
}
@book{BauerBricksBuetowetal.1998,
  author    = {Bauer, G{\"u}nter and Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen and Schmidtke, Kurt-Dietmar},
  title     = {Seydlitz Erdkunde 1 : Lehrerhandreichungen},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {230 S.},
  year      = {1998},
  language  = {de}
}
@book{BricksBuetowBuetowetal.1998,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and B{\"u}tow, Martin and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 3 : Kl. 7/8, 7-9 bzw. 8/9, Sekundarstufe 1 Neue Bundesl{\"a}nder, Berlin},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-5075-2507-0},
  pages     = {224 S.},
  year      = {1998},
  language  = {de}
}
@book{BricksBuetowBuetowetal.1998,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and B{\"u}tow, Martin and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 3 : Kl. 7/8, 7-9 bzw. 8/9, Arbeitsheft Teil 2: Amerika, Australien, Ozeanien, Polargebiete, die Erde, Sekundarstufe 1 neue Bundesl{\"a}nder, Berlin},
  volume    = {3,2},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52524-0},
  pages     = {32 S.},
  year      = {1998},
  language  = {de}
}
@article{BroscheitBuetowEnglertetal.1996,
  author    = {Broscheit, Frank and B{\"u}tow, Martin and Englert, Wolfgang and Jahn, Gert and Klohn, Werner and Knitschky, Wolfgang and Reinecke, Hans-Joachim and M{\"u}ller, Helmut and Reinhardt, Karl Heinz and Schmidt, Marianne and Schmidtke, Kurt-Dietmar and Sch{\"o}pflin, F. and Starke, Rainer and Vahldiek, B. W. and Wehrs, Klaus and Wetzel, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 2},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {128 S.},
  year      = {1996},
  language  = {de}
}
@article{BeegerBricksBroscheitetal.1996,
  author    = {Beeger, Helmut and Bricks, Wolfgang and Broscheit, Frank and B{\"u}tow, Heike and B{\"u}tow, Martin and Englert, Wolfgang and Gehrke, Albrecht and Hallermann, Sigrun and Jahn, Gert and Kirsch, H. and Klohn, Werner and Markert, Wolfgang and Meißgeier, J{\"u}rgen and M{\"u}lders, Wolfgang and Nicklaus, W. and Reinhardt, Karl Heinz and Robel, B. and Schmidtke, Kurt-Dietmar and Werner-Tokarski, D.},
  title     = {Seydlitz Erdkunde 3 : Ausgabe Saarland},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {160 S.},
  year      = {1996},
  language  = {de}
}
@book{BauerBricksBuetowetal.1997,
  author    = {Bauer, G{\"u}nter and Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen and Schmidtke, Kurt-Dietmar},
  title     = {Seydlitz Erdkunde 1 : Kl. 5, Sekundarstufe 1, Berlin, Brandenburg},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52502-x},
  pages     = {176 S.},
  year      = {1997},
  language  = {de}
}
@book{BauerBricksBuetowetal.1997,
  author    = {Bauer, G{\"u}nther and Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen and Schmidtke, Kurt-Dietmar},
  title     = {Seydlitz Erdkunde 1 : Kl. 5, Sekundarstufe 1 Mecklenburg-Vorpommern},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52500-3},
  pages     = {176 S.},
  year      = {1997},
  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}
}
@book{BricksBuetowHerzigetal.1999,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 4 : Kl. 9/10 bzw. 10, Gymnasium, Sekundarstufe 1 neue Bundesl{\"a}nder (außer Sachsen)},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52508-9},
  pages     = {192 S.},
  year      = {1999},
  language  = {de}
}
@book{BricksBuetowHerzigetal.1999,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 3 : Lehrerhandreichungen},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {288 S.},
  year      = {1999},
  language  = {de}
}
@book{BricksBuetowHerzigetal.1999,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 4 : Kl. 10, Arbeitsheft Teil 2: Geographische Zonen, Globale Probleme, Sekundarstufe 1 Neue Bundesl{\"a}nder, Berlin},
  volume    = {4,2},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52526-7},
  pages     = {32 S.},
  year      = {1999},
  language  = {de}
}
@book{BricksBuetowHerzigetal.1999,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Markert, Wolfgang and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 4 : Kl. 9/10 Mittelschule, Sekundarstufe 1 Sachsen, Sachsen-Anhalt},
  publisher = {Schroedel},
  address   = {Hannover},
  isbn      = {3-507-52528-3},
  pages     = {192 S.},
  year      = {1999},
  language  = {de}
}
@book{BricksBuetowHerzigetal.1999,
  author    = {Bricks, Wolfgang and B{\"u}tow, Heike and Herzig, Reinhard and Jahn, Gert and Makert, W. and Meißgeier, J{\"u}rgen},
  title     = {Seydlitz Erdkunde 4 : Kl. 10, Arbeitsheft Teil 1: Deutschland in Europa, Ver{\"a}nderungen der Erde, Sekundarstufe 1 neue Bundesl{\"a}nder, Berlin},
  publisher = {Schroedel},
  address   = {Hannover},
  pages     = {32 S.},
  year      = {1999},
  language  = {de}
}