@book{97115,
	author = {Logan, Murray. and ebrary, Inc.},
	title = {Biostatistical design and analysis using R},
	publisher = {Wiley-Blackwell,},
	year = {2010.},
	address = {Hoboken, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10377840}
}