@article{Wang1995c,
	title = {A geometric approach of the generalized least-squares estimation
	in analysis of covariance structures},
	author = {S. J. Wang and Sik-Yum Lee},
	journal = {Statistics \& Probability Letters},
	month = {Jul},
	number = {1},
	pages = {39--47},
	url = {http://www.sciencedirect.com/science/article/B6V1D-3YCN1RF-1S/1/b76262c28093c32925194d92043f6d71},
	volume = {24},
	year = {1995},
	biburl = {http://www.bibsonomy.org/bibtex/258efce1e4047e6e2cb333c2489a2fbf5/smicha},
	keywords = {Generalized least squares }
}