@book{133004,
	author = {Goetzmann, William N. and Ibbotson, Roger G. and ebrary, Inc.},
	title = {The equity risk premium},
	publisher = {Oxford University Press,},
	year = {2004.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10160532}
}