@book{106258,
	author = {Perspectives on Mathematical Practices Conference and Kerkhove, Bart van. and ebrary, Inc.},
	title = {New perspectives on mathematical practices},
	publisher = {World Scientific,},
	year = {c2009.},
	address = {Singapore ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10361591}
}