@book{11323,
	author = {Smith, Ralph J. and Dorf, Richard C.},
	title = {Circuits, devices and systems /},
	publisher = {Wiley,},
	year = {2002.},
	address = {[S.l.] :},
	edition = {5th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/997151172X/chopaconline-20}
}