@book{5378,
	author = {Pinheiro, Jos�e C. and Bates, Douglas M. and ebrary, Inc.},
	title = {Mixed-effects models in S and S-PLUS},
	publisher = {Springer,},
	year = {c2000.},
	series = {Statistics and computing},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10002187}
}