@book{31530,
	author = {Wand, M. P. and Jones, M. C. and Jones, M. C. ; jt. auth.},
	title = {Kernel smoothing},
	publisher = {Chapman & Hall/CRC Press},
	year = {1995},
	series = {Monographs on statistics and applied probability },
	address = {Boca Raton}
}