@book{32868,
	author = {Van Buuren, Stef},
	title = {Flexible imputation of missing data},
	publisher = {CRC Press,},
	year = {2012},
	series = {Chapman & Hall/CRC interdisciplinary Statistics series},
	address = {Boca Raton:},
	note = {"Purchase under NBHM grant for the year 2012-2013"}
}