@book{177433,
	author = {Towne, Lisa. and ebrary, Inc.},
	title = {Implementing randomized field trials in education},
	publisher = {National Academies Press,},
	year = {c2004.},
	address = {Washington, D.C. :},
	note = {"Center for Education, Division of Behavioral and Social Sciences and Education.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10054997}
}