@book{217160,
	author = {Newnan, Donald G. and Eschenbach, Ted G.,},
	title = {Engineering economic analysis (EBOOK)},
	publisher = {Oxford University Press,},
	year = {2004.},
	address = {New York :},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0723/2003064973-b.html}
}