@book{33891,
	author = {Imbens, Guido W. and Rubin, Donald B.},
	title = {Causal inference for statistics, social, and biomedical sciences},
	publisher = {Cambridge University Press,},
	year = {2015},
	address = {New York:},
	note = {"Purchased under NBHM grant for the year 2014-2015"}
}