@book{119014,
	author = {Fujita, Masahisa. and Krugman, Paul R. and ebrary, Inc.},
	title = {The spatial economy},
	publisher = {MIT Press,},
	year = {1999.},
	address = {Cambridge, MA :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10225300}
}