@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 2 : Arbeitsblattsammlung: Deutschland, Europa}, year = {2000}, }