@book{BauerBricksBuetowetal.1998,
  author    = {G{\"u}nter Bauer and Wolfgang Bricks and Heike B{\"u}tow and Reinhard Herzig and Gert Jahn and Wolfgang Markert and U. Marth and J{\"u}rgen Meißgeier and Kurt-Dietmar Schmidtke and Ch. Ullrich},
  title     = {Seydlitz Erdkunde 1 : Kl. 5/6, Sekundarstufe 1 Neue Bundesl{\"a}nder, Berlin},
  isbn      = {3-5075-2521-6},
  year      = {1998},
}