@book{67867,
	author = {O'Sullivan, David, and Unwin, David J.,},
	title = {Geographic information analysis /},
	publisher = {Wiley,},
	year = {2010.},
	address = {Hoboken, New Jersey :},
	edition = {Second edition.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10905778}
}