@book{152937,
	author = {Davis, Paul K., and Shaver, R. D. and ebrary, Inc.},
	title = {Portfolio-analysis methods for assessing capability options},
	publisher = {RAND Corporation,},
	year = {2008.},
	address = {Santa Monica, CA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10235180}
}