@book{11315,
	author = {Willers, W. B.,},
	title = {Unmanaged landscapes :},
	publisher = {Island Press,},
	year = {c1999.},
	address = {Washington, D.C. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0666/99018456-d.html}
}