@article{GiestWittkowske2022,
  author    = {Giest, Hartmut and Wittkowske, Steffen},
  title     = {Heimatkunde in der DDR},
  series = {Handbuch Didaktik des Sachunterrichts},
  journal   = {Handbuch Didaktik des Sachunterrichts},
  edition   = {3. {\"u}berarb.},
  publisher = {Klinkhardt},
  address   = {Bad Heilbrunn},
  isbn      = {978-3-8252-8801-3},
  doi       = {10.36198/9783838588018},
  pages     = {239 -- 246},
  year      = {2022},
  language  = {de}
}
@article{GiestWittkowske2022,
  author    = {Giest, Hartmut and Wittkowske, Steffen},
  title     = {Die Sachen mitgestalten},
  series = {Handbuch Didaktik des Sachunterrichts},
  journal   = {Handbuch Didaktik des Sachunterrichts},
  edition   = {3. {\"u}berarb.},
  publisher = {Klinkhardt},
  address   = {Bad Heilbrunn},
  isbn      = {978-3-8252-8801-3},
  doi       = {10.36198/9783838588018},
  pages     = {481 -- 488},
  year      = {2022},
  language  = {de}
}