@book{483251,
	author = {HETTMANSPERGER Thomas P and  MCKEAN Joseph W},
	title = {Robust nonparametric statistical methods},
	publisher = {CRC Press        },
	year = {2011},
	series = {Monographs on Statistics and Applied Probability 119.},
	address = {Boca Raton },
	edition = {2}
}