@book{34077,
	author = {West, Brady and Welch, Kathleen B.},
	title = {Linear mixed models :},
	publisher = {Chapman & Hall/CRC,},
	year = {c2007},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/enhancements/fy0647/2006045440-d.html}
}