@book{35074,
	author = {Dalgaard, Peter. and SpringerLink (Online service)},
	title = {Introductory Statistics with R},
	publisher = {Springer New York,},
	year = {2008.},
	series = {Statistics and Computing,},
	address = {New York, NY :},
	url = {http://dx.doi.org/10.1007/978-0-387-79054-1}
}