@book{548768,
	author = {Newnan, Donald G. and Eschenbach, Ted.},
	title = {Engineering economic analysis /},
	publisher = {Oxford University Press,},
	year = {2004.},
	address = {New York :},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0615/2003064973-t.html}
}