@book{12273,
	author = {United States. and United States.},
	title = {Facts about the screwworm barrier program.},
	publisher = {U.S. Agricultural Research Service,},
	year = {1967.},
	address = {[Washington]},
	note = {Supersedes U.S. Agricultural Research Service. Facts about screwworm eradication, issued as ARS 91-39.}
}