@book{20010,
	author = {Krause, Andreas. and Olson, Melvin. and ebrary, Inc.},
	title = {The basics of S and S-Plus},
	publisher = {Springer,},
	year = {c2000.},
	series = {Statistics and computing},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5007472}
}