@article{EhrlichmannKrumreinKugleretal.1996,
  author    = {Frank Ehrlichmann and Frieder Krumrein and Brigitte Kugler and Rolf Meincke and Bernd Raum and Ulrich Schr{\"o}der and Anke Uhlenwinkel and Bernd Zimmermann and Marianne Zoska},
  title     = {Terra Erdkunde : Arbeitsheft f{\"u}r Berlin 5 / 6 ; Lehrerheft},
  year      = {1996},
}