@book{SitteBudkeJoppichetal.2013,
  author    = {Christian Sitte and Alexandra Budke and Andreas Joppich and Anke Uhlenwinkel and Maik Wienecke and Clare Brooks and Frank Erzner and Matthias Bahr},
  title     = {Essays zur Didaktik der Geographie},
  editor    = {Manfred Rolfes and Anke Uhlenwinkel},
  isbn      = {978-3-86956-239-1},
  year      = {2013},
}