@book{32367,
	author = {Mason, John Brow.},
	title = {Research resources},
	publisher = {American Bibliographical Center-Clio,},
	year = {19 - 19},
	address = {Sta. Barbara, Ca. :},
	note = {La biblioteca tiene: v.2: Official públications: U.S. Government, United Nations International organizations and statistical sources}
}