@book{566,
	author = {Givone, Donald D.},
	title = {Introduction to Switching Circuit Theory /},
	publisher = {McGraw-Hill Inc.,US,},
	year = {1970.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070233101/chopaconline-20}
}