@book{96933,
	author = {Abrahamson, David E. and Grupo de Investigadores Puertorriqueños.},
	title = {Breakthrough from colonialism},
	publisher = {Editorial de la Universidad de Puerto Rico, 1984.},
	address = {Río Piedras, P.R.},
	note = {"Researched and written by the Grupo de Investigadores Puertorriqueños, Inc."}
}