@book{98409,
	author = {Berg, Leo van den, and European Institute for Comparative Urban Research,},
	title = {Cities as engines of sustainable competitiveness :},
	publisher = {Ashgate,},
	year = {2014.},
	series = {EURICUR},
	address = {Farnham, Surrey, England ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10849059}
}