@book{217161,
	author = {Blank, Leland T. and Tarquin, Anthony J.},
	title = {Engineering economy (EBOOK)},
	publisher = {McGraw-Hill,},
	year = {c2012.},
	address = {New York :},
	edition = {7th ed.},
	url = {http://catdir.loc.gov/catdir/enhancements/fy1107/2010052297-d.html}
}