@book{52503,
	author = {Sears, Andrew},
	title = {Human-computer interaction.},
	publisher = {CRC Press,},
	year = {c2009},
	series = {Human factors and ergonomics},
	address = {Boca Raton :},
	note = {Previously published in one volume entitled The human-computer interaction handbook. 2nd ed. 2008}
}