@book{8598,
	author = {United Nations Human Settlements Programme.},
	title = {The challenge of slums :},
	publisher = {Earthscan Publications,},
	year = {2003.},
	address = {London ;},
	note = {"UN-HABITAT."},
	url = {http://www.loc.gov/catdir/toc/ecip045/2003013446.html}
}