@conference {715,
	title = {M{\"u}ndliche Darstellung mit digitalen Medien},
	booktitle = {Jahrestagung der Gesellschaft f{\"u}r Didaktik der Mathematik 2013},
	year = {2013},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Schreiber, Christof}
}
