@book{25965,
	author = {Shelly, Gary B. and Cashman, Thomas J.},
	title = {Analysis and design Systems  /},
	publisher = {Thomson Course Technology,},
	year = {2012},
	series = {Shelly Cashman series},
	address = {Boston, MA :},
	edition = {9th ed.},
	note = {Includes index.}
}