@book{47253,
	author = {Wichura, Michael J.},
	title = {The coordinate-free approach to linear models /},
	publisher = {Cambridge University Press,},
	year = {2006},
	series = {Cambridge series on statistical and probabilistic mathematics},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip068/2006004133.html}
}