@book{11993,
	author = {Burkhead, Charles E. and Kirkbride, John W.},
	title = {Field and seed crops :},
	publisher = {U.S. Dept. of Agriculture, Statistical Reporting Service, Crop Reporting Board,},
	year = {1965.},
	series = {Agriculture handbook / United States Department of Agriculture ;},
	address = {Washington, D.C. :},
	note = {Cover title.}
}