@book{11551,
	author = {Harmond, Jesse E. and Klein, Leonard M.,},
	title = {Pulling machines for harvesting fiber flax /},
	publisher = {U.S. Dept. of Agriculture,},
	year = {1955.},
	series = {Circular / United States Department of Agriculture ;},
	address = {Washington, D.C. :},
	note = {Cover title.}
}