@book{19101,
	author = {Salkind, Neil J.},
	title = {Encyclopedia of measurement and statistics /},
	publisher = {SAGE Publications,},
	year = {2007.},
	address = {Thousand Oaks, Calif. :},
	note = {"A SAGE Reference Publication."},
	url = {http://www.loc.gov/catdir/toc/ecip0612/2006011888.html}
}