@book{76510,
	author = {Newnan, Donald G.},
	title = {Engineering economic analysis },
	publisher = {Engineering Press,},
	year = {1991.},
	address = {San Jose, Calif. :},
	edition = {4th ed.},
	note = {System requirements for computer disk: IBM PC or XT, or compatible; DOS; floppy or hard disk system; graphics card.}
}