@book{99461,
	author = {Rad, Parviz F., and Levin, Ginger,},
	title = {Metrics for project management :},
	publisher = {Management Concepts,},
	year = {2006.},
	address = {Vienna, Virginia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10850166}
}