@book{9164,
	author = {Getis, Arthur, and Getis, Judith.},
	title = {Introduction to geography /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2008.},
	address = {Boston :},
	edition = {11th ed.},
	url = {http://catdir.loc.gov/catdir/toc/ecip0615/2006020279.html}
}