@book{4600,
	author = {Blank, Leland T. and Tarquin, Anthony J.},
	title = {Engineering economy /},
	publisher = {McGraw-Hill,},
	year = {c2005.},
	series = {McGraw-Hill series in industrial engineering and management science.},
	address = {New York :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0420/2004016408.html}
}