@book{169386,
	author = {Gasperín, Gino Raúl de. and Gasperin, Roberto Rodolfo de,},
	title = {Etimologías},
	publisher = {Trillas,},
	year = {1981.},
	series = {Modulos para bachillerato.},
	address = {México :},
	edition = {1a ed.}
}