@book{13488,
	author = {Singh, Madan G.; Mahmoud, Magdi S.},
	title = {Discrete systems :},
	publisher = {New York, NY, U.S.A. Springer-Verlag New York, Incorporated .,},
	year = {1984.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B001KVAWW4/chopaconline-20}
}