@book{BoettcherMingenbachStarkeetal.2000,
  author    = {Kirsten B{\"o}ttcher and Hans-Michael Mingenbach and Rainer Starke and Helmut M{\"u}ller and Winfried Waldeck and Klaus Wehrs and Peter Amtsfeld and Reinhard Herzig},
  title     = {Seydlitz Geographie 1 : Arbeitsblattsammlung Teil 1: Die Erde : Methoden der Geographie},
  volume    = {1},
  isbn      = {3-5075-2460-0},
  year      = {2000},
}