@inbook {777,
	title = {Digitale Medien im Mathematikunterricht der Grundschule - Innovation auf dem Tablet serviert?},
	booktitle = {Von Audiopodcast bis Zahlensinn},
	series = {Lernen, Lehren und Forschen mit digitalen Medien in der Primarstufe},
	volume = {2},
	year = {2014},
	pages = {7-29},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Krauthausen, G{\"u}nter},
	editor = {Ladel, Silke and Schreiber, Christof}
}
@proceedings {776,
	title = {Digital tools in elementary mathematics education.},
	year = {2013},
	pages = {33-44},
	publisher = {Charles University},
	address = {Prag},
	author = {Krauthausen, G{\"u}nter},
	editor = {Novotn{\'a}, Jarmila and Moraov{\'a}, Hana}
}
@book {775,
	title = {Digitale Medien im Mathematikunterricht der Grundschule},
	year = {2012},
	publisher = {Springer-Spektrum},
	organization = {Springer-Spektrum},
	address = {Berlin},
	author = {Krauthausen, G{\"u}nter}
}
