@book{218264,
	title = {Products and services catalog},
	publisher = {Information Dissemination Organizations, U.S. Dept. of Commerce, Patent and Trademark Office},
	year = {[1996?-},
	address = {Washington D.C.},
	note = {Some issues have U.S. Patent and Trademark Office at head of title},
	url = {http://purl.access.gpo.gov/GPO/LPS3569}
}