@book{11923,
	author = {O'Sullivan, Arthur. and O'Sullivan, A.},
	title = {Urban economics /},
	publisher = {Irwin/McGraw-Hill,},
	year = {c2000.},
	address = {Boston :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/description/mh023/99030311.html}
}