@book{6640,
	author = {De Blij, Harm J. and Muller, Peter O.},
	title = {Geography :},
	publisher = {J. Wiley & Sons,},
	year = {c2006},
	address = {New York :},
	edition = {12TH ed.},
	url = {http://www.loc.gov/catdir/description/wiley034/2001276580.html}
}