@book{7782,
	author = {Cook, Harold O.},
	title = {How to make improvement thinnings in Massachusetts woodlands /},
	publisher = {Wright & Potter Printing Co., State printers,},
	year = {1910.},
	address = {Boston :},
	note = {"In 1905 the Massachusetts State Forester published a small pamphlet on "Improvement Thinnings."  The edition of this pamphlet has ... been exhausted."--Introd.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00008816785}
}