@inbook {3533,
	title = {Cognitive artifacts, technology and physics learning},
	booktitle = {Encyclopedia of the Sciences of Learning},
	year = {2012},
	pages = {572-576},
	publisher = {Springer},
	organization = {Springer},
	address = {Dordrecht},
	url = {http://dx.doi.org/10.1007/978-1-4419-1428-6_940},
	editor = {N. M. Seel}
}
