@book{8020,
	author = {Rotstein de Gueller, Berta and Mosches de Kosiner, Mirta},
	title = {Jugueteando 1},
	publisher = {Huemul},
	year = {1988},
	series = {Textos Huemul},
	address = {Buenos Aires},
	edition = {2ª ed. corr.}
}