@book{27488,
	author = {Lidwell, William. and Butler, Jill.},
	title = {Principios universales de diseño/},
	publisher = {Blume },
	year = {c2005.},
	address = {Barcelona },
	note = {"100 ways to enhance usability, influence perception, increase appeal, make better design decisions, and teach through design"--T.p.}
}