@book{160920,
	author = {Koopman, M. J. and ebrary, Inc.},
	title = {Performance measurement in the Dutch social rented sector},
	publisher = {Ios Press,},
	year = {c2008.},
	series = {Sustainable urban areas,},
	address = {Amsterdam :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10309219}
}