@book{13838,
	author = {Marrero, Leví.},
	title = {Cuba, economía y sociedad},
	publisher = {Editorial San Juan},
	year = {[1972]-<c1985 >},
	address = {Río Piedras, P.R.},
	note = {Vols. <2-7, 9-12 > have imprint: Madrid, Playor.}
}