@book{7217,
	author = {Cabal, Graciela Beatriz and Hilb, Nora I.},
	title = {Cosquillas en el ombligo},
	publisher = {Sudamericana},
	year = {1992},
	series = {Pan flauta},
	address = {Buenos Aires},
	edition = {2ª ed.},
	note = {Contiene cartas de la autora y de la ilustradora}
}