@book{103129,
	author = {Maldonado Denis, Manuel},
	title = {Semblanza de 4 [i.e. cuatro] revolucionarios},
	publisher = {Ediciones Puerto},
	year = {[1973]},
	series = {Colección Diálogo},
	address = {Río Piedras, P.R.},
	note = {Lectures given at the University of Puerto Rico, 1967-1970.}
}