@book{110209,
	author = {United States},
	title = {Puerto Rico, 1959.},
	publisher = {U.S. Govt. Print. Off.},
	year = {1960.},
	series = {Its [Hearings before] the Committee on Interior and Insular Affairs, House of Representatives, Eighty-sixth Congress, serial 14},
	address = {Washington},
	note = {Hearings held Dec.3-10, 1959 in various cities of Puerto Rico.}
}