@book{6030,
	author = {PHILLIPS, CHARLES L. and NAGLE, H. TROY.},
	title = {DIGITAL CONTROL SYSTEMS : },
	publisher = {PRENTICE-HALL},
	year = {\\\\},
	address = {ENGLEWOOD, CLIFFS: },
	edition = {3},
	note = {INCLUYE BIBLIOGRAFIAS E INDICE.}
}