@inbook {1002, title = {Digitale Medien in allen drei Phasen der Lehrerbildung}, booktitle = {Beitr{\"a}ge zum Mathematikunterricht 2018}, year = {2018}, pages = {1627-1630}, publisher = {WTM-Verlag}, organization = {WTM-Verlag}, address = {M{\"u}nster}, author = {Schreiber, Christof and Matz, Julia} }