@book{25587,
	author = {Lau, Daniel L. and Arce, Gonzalo R.},
	title = {Modern digital halftoning /},
	publisher = {CRC Press },
	year = { c2008},
	address = {Boca Raton  },
	edition = {2a ed.},
	note = {Folio del Cd Rom: 1540 }
}