@book{1113,
	author = {RAVEN, FRANCIS H.},
	title = {AUTOMATIC CONTROL ENGINEERING/ },
	publisher = {MCGRAW-HILL},
	year = {1987},
	series = {(SER. MECHANICAL ENGINEERING).},
	address = {NEWYORK ; MEXICO: },
	edition = {4TH},
	note = {INCLUYE INDICE}
}