@book{25803,
	author = {Wickert, Mark. and ebrary, Inc.},
	title = {Signals & systems for dummies},
	publisher = {Wiley,},
	year = {c2013.},
	series = {--For dummies},
	address = {Hoboken, NJ :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10716632}
}