@book{10521,
	author = {Yourdon, Edward.},
	title = {Managing the structured techniques/},
	publisher = {Prentice Hall },
	year = {c1989.},
	series = {Yourdon Press computing series.},
	address = {Englewood Cliffs, N.J. },
	edition = {4 ed.},
	note = {Incluye Indice}
}