@book{289702,
	author = {United States.},
	title = {Political status of Puerto Rico :},
	publisher = {U.S. G.P.O. :},
	year = {1989-},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {Distributed to some depository libraries in microfiche.},
	url = {http://hdl.loc.gov/loc.law/llconghear.89603081}
}