@book{3212,
	author = {Venables, W.N. and Ripley, B.D.},
	title = {Modern Applied Statistics with S},
	publisher = {Springer New York :},
	year = {2002.},
	series = {Statistics and Computing,},
	address = {New York, NY :},
	edition = {4th ed. 2002.},
	url = {https://doi.org/10.1007/978-0-387-21706-2}
}