@book{BricksBuetowHerzigetal.1998,
  author    = {Wolfgang Bricks and Heike B{\"u}tow and Reinhard Herzig and Gert Jahn and Wolfgang Markert and J{\"u}rgen Meißgeier and Kurt-Dietmar Schmidtke},
  title     = {Seydlitz Erdkunde 1 : Arbeitsheft, Sachsen},
  year      = {1998},
}