@book{97131,
	author = {Norris, Stephen P. and ebrary, Inc.},
	title = {Reading for evidence and interpreting visualizations in mathematics and science education},
	publisher = {Sense Publishers,},
	year = {2012.},
	address = {Rotterdam :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10604631}
}