@book{1047,
	author = {Christopherson, Robert W.},
	title = {Geosystems :},
	publisher = {Pearson Prentice Hall,},
	year = {c2006.},
	address = {Upper Saddle River, N.J. :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip055/2004030652.html}
}