@book{19561,
	author = {Benedetti, Mario, 1920-2009},
	title = {Buzón de tiempo},
	publisher = {Editorial Sudamericana},
	year = {2000},
	address = {Buenos Aires},
	url = {http://nerudavive.cl/nerudianos/aportes/mario_benedetti/buzon_de_tiempo.pdf}
}