@book{15111,
	author = {Ramsey, Fred L. and Schafer, Daniel W.},
	title = {The statistical sleuth :},
	publisher = {Brooks Cole,},
	year = {c2013},
	address = {Boston :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1303/2012931469-t.html}
}