@book{189084,
	author = {Williams, Michael,},
	title = {Americans and their forests :},
	publisher = {Cambridge University Press,},
	year = {1989.},
	series = {Studies in environment and history.},
	address = {Cambridge [Cambridgeshire] ;},
	url = {http://www.loc.gov/catdir/description/cam023/87015828.html}
}