@book{193220,
	author = {United States},
	title = {National strategy for homeland security.},
	publisher = {Office of Homeland Security},
	year = {[2002]},
	address = {[Washington, D.C.?]},
	note = {Shipping list no.: 2002-0235-P.},
	url = {http://purl.access.gpo.gov/GPO/LPS20641}
}