@book{49056,
	author = {Paarmann, L. D. and ebrary, Inc.},
	title = {Design and analysis of analog filters},
	publisher = {Kluwer Academic Publishers,},
	year = {c2001.},
	series = {SECS ;},
	address = {Boston :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10067308}
}