@book{219599,
	author = {Elton, Edwin J. and Gruber, Martin J. and ebrary, Inc.},
	title = {Investments and portfolio performance},
	publisher = {World Scientific Pub. Co.,},
	year = {2011.},
	address = {Singapore ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10479720}
}