@book{77492,
	author = {Dalgaard, Peter. and ebrary, Inc.},
	title = {Introductory statistics with R},
	publisher = {Springer,},
	year = {c2002.},
	series = {Statistics and computing},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10047812}
}