@book{31041,
	author = {Duchateau, Luc and Janssen, Paul and Janssen, Paul ; jt. auth.},
	title = {The frailty model},
	publisher = {Springer Science+Business Media, Inc.},
	year = {2008},
	series = {Statistics for Biology and Health},
	address = {New York},
	note = {"Purchased under NBHM grant for the year 2009-2010"}
}