@book{BricksBuetowBuetowetal.1998,
  author    = {Wolfgang Bricks and Heike B{\"u}tow and Martin B{\"u}tow and Reinhard Herzig and Gert Jahn and Wolfgang Markert and J{\"u}rgen Meißgeier},
  title     = {Seydlitz Erdkunde 3 : Kl. 7/8, 7-9 bzw. 8/9, Sekundarstufe 1 Neue Bundesl{\"a}nder, Berlin},
  isbn      = {3-5075-2507-0},
  year      = {1998},
}