@book{35069,
	author = {Aalen, Odd O. and Borgan, �rnulf. and ebrary, Inc.},
	title = {Survival and event history analysis},
	publisher = {Springer,},
	year = {c2008.},
	series = {Statistics for biology and health},
	address = {New York, NY :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10251977}
}