@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}
}
@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{KahlertCechGiestetal.2004,
  author    = {Kahlert, Joachim and Cech, Diethard and Giest, Hartmut and Hempel, Marlies and Wittkowske, Steffen and Hartinger, Andreas},
  title     = {Sachunterricht nach PISA und IGLU},
  isbn      = {3-7065-4020- 7},
  year      = {2004},
  language  = {de}
}
@article{WittkowskeGiest2007,
  author    = {Wittkowske, Steffen and Giest, Hartmut},
  title     = {Die Sachen mitgestalten},
  isbn      = {978-3-7815-1508-6},
  year      = {2007},
  language  = {de}
}
@article{GiestWittkowske2007,
  author    = {Giest, Hartmut and Wittkowske, Steffen},
  title     = {Heimatkunde in der DDR},
  isbn      = {978-3-7815-1508-6},
  year      = {2007},
  language  = {de}
}
@article{GiestWittkowske2008,
  author    = {Giest, Hartmut and Wittkowske, Steffen},
  title     = {Naturbezogenes und naturwissenschaftliches Lernen im Sachunterricht},
  isbn      = {978-3-7815-1399-0},
  year      = {2008},
  language  = {de}
}
@article{WittkowskeGiest2008,
  author    = {Wittkowske, Steffen and Giest, Hartmut},
  title     = {Naturbezogenes und naturwissenschaftliches Lernen im Sachunterricht},
  series = {Praxis Paedagogik},
  journal   = {Praxis Paedagogik},
  editor    = {Giest, Hartmut},
  publisher = {Klinkhardt, Westermann},
  address   = {Bad Heilbrunn},
  year      = {2008},
  language  = {de}
}