@book{287801,
	author = {United States.},
	title = {2007 census of agriculture.},
	publisher = {U.S. Dept. of Agriculture, National Agricultural Statistics Service,},
	year = {[2007]-},
	address = {[Washington, D.C.] :},
	note = {Chiefly tables.},
	url = {http://purl.access.gpo.gov/GPO/LPS118156}
}