@book{12457,
	author = {Smith, Helen Virginia, and Doescher, Carl O.,},
	title = {Corn growing practices, 1965},
	publisher = {Economic Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,},
	year = {1968]},
	series = {[United States Dept. of Agriculture] Statistical bulletin},
	address = {Washington]}
}