@book{14563,
	author = {Little, Roderick J. A. and Rubin, Donald B.},
	title = {Statistical analysis with missing data},
	publisher = {John Wiley,},
	year = {2002},
	series = {Wiley series in Probability and Statistics},
	address = {New Jersey:},
	note = {"Purchased under NBHM grant for the year 2002-2003"}
}