@book{13703,
	author = {Crippa, Ana Lía and Arias Mercader, María José},
	title = {Combinatoria, estadística y probabilidades en la EGB},
	publisher = {El Ateneo},
	year = {1998},
	series = {Nuevos aires en educación},
	address = {Buenos Aires},
	edition = {1ª ed.}
}