@book{101742,
	author = {Lang, Laura. and Environmental Systems Research Institute (Redlands, Calif.)},
	title = {Managing natural resources with GIS /},
	publisher = {Environmental Systems Research Institute,},
	year = {c1998.},
	address = {Redlands, Calif. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0716/00265817-d.html}
}