@book{110201,
	author = {Helfeld, David M.},
	title = {Congressional intent and attitude toward Public law 600 and the Constitution of the Commonwealth of Puerto Rico},
	publisher = {s. n.},
	year = {1952?]},
	address = {[S. l.},
	note = {"Reprinted from xxi Revista juridica de la Universidad de Puerto Rico (mayo-junio 1952)."}
}