@book{49749,
	author = {Sears, Andrew},
	title = {Human-computer interaction.},
	publisher = {CRC Press ,},
	year = {2009},
	series = {Human factors and ergonomics},
	address = {Boca Raton  :},
	note = {Previously published in one volume entitled The human-computer interaction handbook. 2nd ed. 2008},
	url = {http://www.loc.gov/catdir/toc/fy0905/2008050945.html}
}