@book{13104,
	author = {Heck, Kamen.},
	title = {Fundamentals of signals and systems using the web and matlab },
	publisher = {PEARSON EDUCATION,},
	address = {[S.l.] :},
	edition = {3rd},
	url = {http://www.amazon.com/exec/obidos/ASIN/8131714691/chopaconline-20}
}