@article{Koeck2009,
  author    = {Helmuth K{\"o}ck},
  title     = {ABC der Geographiedidaktik},
  journal   = {Geographische Revue : Zeitschrift f{\"u}r Literatur und Diskussion},
  volume    = {8},
  number    = {2},
  pages     = {79 -- 83},
  year      = {2009},
}