@book{38217,
	author = {Gortari, Eli de},
	title = {Iniciación a la lógica.},
	publisher = {Editorial Grijalbo, S. A.,},
	year = {1972},
	address = {México :},
	edition = {2},
	note = {Esta obra pertenece al donativo del exmagistrado Rodolfo Ricardo Ríos Vázquez}
}