@book{32050,
	author = {Tocci, Ronald J., and Widmer, Neal S.},
	title = {Sistemas digitales :},
	publisher = {Pearson Educación,},
	year = {[2007]},
	address = {México :},
	edition = {Décima edición, 2007},
	note = {Traducción de: Digital systems: principles and applications. 10th ed.}
}