@book{146280,
	author = {Williams, Robert Dale and Hanks, Sidney H.},
	title = {Hardwood Nursery Guide},
	publisher = {U.S. Dept. of Agriculture, Forest Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.},
	year = {1976.},
	series = {Agriculture handbook ; no. 473},
	address = {[Washington]},
	note = {Includes index.}
}