@book{19905,
	author = {Earnhardt, Kent C. and Puerto Rico. Universidad. Recinto de Río Piedras. Escuela Graduada de Planificación.},
	title = {Population research, policy and related studies on Puerto Rico},
	publisher = {Editorial de la Universidad de Puerto Rico},
	year = {1984.},
	series = {Planning series ; S - 6.},
	address = {Río Piedras, P. R.},
	note = {At head of title : University of Puerto Rico. Graduate School of Planning. Río Piedras Campus.}
}