@book{7001,
	author = {Tocci, Ronald J. and Neal S. Widmer},
	title = {Digital Systems : principles and applications },
	publisher = {Pearson,},
	year = {2003.},
	series = {Nineth.},
	address = {[S.l.] :},
	url = {http://10.10.170.122:8080/browse/book/2558}
}