@book{1774,
	author = {Levy, Paul S. and Lemeshow, Stanley.},
	title = {Sampling of populations :},
	publisher = {Wiley,},
	year = {c1991.},
	series = {Wiley series in probability and mathematical statistics.},
	address = {New York :},
	edition = {2nd ed.},
	note = {"A Wiley-Interscience publication."}
}