@book{22184,
	author = {Akase, Tatsuko, and Yokota, Yasuo.},
	title = {Public signs /},
	publisher = {Rikuyo-sha,},
	year = {1994},
	series = {Designing sign s;},
	address = {Tokyo :},
	note = {Obra ilustrada sobre diseño y sistemas de señalización pública}
}