@book{29371,
	author = {Alwin, Duane F.},
	title = {Margins of error},
	publisher = {Wiley Interscience,},
	year = {2007},
	series = {Wiley series in survey methodology},
	address = {New Jersey:},
	note = {"Purchased under NBHM grant for the year 2007-2008"}
}