@book{4090,
	author = {Tokheim, Roger.},
	title = {Digital Electronics : principles and applications},
	publisher = {McGraw-Hill Science/Engineering/Math,},
	year = {2007.},
	address = {[S.l.] :},
	edition = {7th ed.},
	url = {http://10.10.170.122:8080/browse/book/18548}
}