@book{6109,
	author = {Furman, Melina. and  Ariel Zysman},
	title = {Ciencias naturales :},
	publisher = {Ediciones  Novedades  Educativas,},
	year = {2001.},
	address = {Buenos Aires:},
	edition = {Primera edición},
	note = {Incluye índice.}
}