@book{58871,
	author = {Eco, Umberto,  and Manzano, Carlos.},
	title = {Tratado de semiótica general / },
	publisher = {Lumen, },
	year = {[1977]},
	series = {Palabra en el tiempo},
	address = {[Barcelona] : },
	edition = {[1ª ed.].}
}