@book{64196,
	author = {Gutiérrez, Elías R.},
	title = {Factor proportions, technology transmission, and unemployment in Puerto Rico},
	publisher = {Editorial Universitaria, Universidad de Puerto Rico},
	year = {1977.},
	series = {Planning series ; E-2},
	address = {[Río Piedras]},
	edition = {1st ed.},
	note = {Originally presented as the author's thesis, Cornell, 1972.}
}