@inbook {1204, title = {Sachunterricht und Digitalisierung. Positionspapier der GDSU (2019)}, booktitle = {GDSU.de}, year = {2019}, pages = {1-10}, publisher = {GDSU e. V.}, organization = {GDSU e. V.}, address = {Berlin}, author = {Peschel, Markus and Gerv{\'e}, Friedrich and Irion, Thomas and Gryl, Inga and Schmeinck, Daniela} }