@book{94594,
	author = {Frankel, Martin R.},
	title = {Inference from survey samples},
	publisher = {Institute for Social Research, University of Michigan]},
	year = {1971.},
	address = {[Ann Arbor},
	note = {A revision of the author's thesis, University of Michigan, issued under title: An empirical investigation of some properties of multivariate statistical estimates from complex samples.}
}