@book{12016,
	author = {U.S. and Fowells, H. A. and United States.},
	title = {Silvics of forest trees of the United States /},
	publisher = {U.S. Dept. of Agriculture, Forest Service,},
	year = {1965.},
	series = {Agriculture handbook / United States Department of Agriculture ;},
	address = {Washington, D.C. :}
}