@book{220508,
	author = {U.S. Customs and Border Protection.},
	title = {U.S. Customs and Border Protection guide for private flyers},
	address = {Washington,DC},
	note = {Title from PDF caption last updates Mar.2008(viewed Mar.10,2009).},
	url = {http://purl.access.gpo.gov/GPO/LPS109837}
}