@book{118464,
	author = {Ostergren, Rickard.},
	title = {Mathematical learning disability :},
	publisher = {LiU-Tryck,},
	year = {2013.},
	series = {Linkoping studies in arts and science ;},
	address = {Linkoping :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10756945}
}