@book{35968,
	author = {Matloff, Norman S.},
	title = {The art of R programming :},
	publisher = {No Starch Press,},
	year = {c2011.},
	address = {San Francisco :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1205/2011025598-b.html}
}