@book{14623,
	author = {Lewis-Beck, Michael S.},
	title = {The Sage encyclopedia of social science research methods /},
	publisher = {SAGE,},
	year = {c2004.},
	address = {Thousand Oaks, Calif. :},
	note = {"A Sage reference publication."},
	url = {http://www.loc.gov/catdir/toc/ecip046/2003015882.html}
}