@book{47572,
	author = {Dyson, Simon. and ebrary, Inc.},
	title = {Mental handicap},
	publisher = {Croom Helm,},
	year = {c1987.},
	series = {Croom Helm series on special educational needs},
	address = {London ;},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10062965}
}