@inbook {930,
	title = {Augmented Reality und r{\"a}umliche Entscheidungsunters{\"u}tzung mit dem Smartphone},
	booktitle = {Beitr{\"a}ge zum Mathematikunterricht 2013},
	year = {2013},
	publisher = {WTM-Verlag},
	organization = {WTM-Verlag},
	address = {M{\"u}nster},
	author = {Platz, Melanie and Niehaus, Engelbert}
}
