@book{164236,
	author = {Martínez Cruzado, Rosa F.},
	title = {Fundamentos de lógica simbólica /},
	publisher = {Publicaciones Puertorriqueñas},
	year = {c1998.},
	address = {Río Piedras P.R. :},
	edition = {Ed. 1998.}
}