@book{20778,
	author = {Thrower, Norman Joseph William. and ebrary, Inc.},
	title = {Maps & civilization},
	publisher = {University of Chicago Press,},
	year = {2007.},
	address = {Chicago :},
	edition = {3rd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10275453}
}