@book{3932,
	author = {Black, P. J. and ebrary, Inc.},
	title = {Assessment for learning :},
	publisher = {Open University Press,},
	year = {c2003},
	address = {Maidenhead :},
	note = {Expansion of the booklets: Inside the black box and Working Inside the black Box by the same authors.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio6347102}
}