@book{27560,
	author = {McCaffrey, Daniel F. and Hamilton, Laura S. and ebrary, Inc.},
	title = {Value-added assessment in practice},
	publisher = {RAND Corporation,},
	year = {c2007.},
	series = {Technical report},
	address = {Santa Monica, CA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10227032}
}