@book{506,
	author = {Young, Carol. and Pitt, Valerie},
	title = {The New Penguin Dictionary of Electronics /},
	publisher = {E C Young,},
	year = {1985.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B005PW2F1U/chopaconline-20}
}