@book{1955,
	author = {Carmines, Edward G. and Zeller, Richard A.,},
	title = {Reliability and validity assessment /},
	publisher = {Sage Publications,},
	year = {c1979.},
	series = {A Sage university paper : Quantitative applications in the social sciences ;},
	address = {Beverly Hills, Calif. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0654/79023020-d.html}
}