@article{HartingerGiest2022,
  author    = {Andreas Hartinger and Hartmut Giest},
  title     = {Perspektivrahmen Sachunterricht},
  journal   = {Handbuch Didaktik des Sachunterrichts},
  pages     = {277 -- 282},
  doi       = {10.36198/9783838588018},
  year      = {2022},
}