@book{2931,
	author = {Ekman, Paul.},
	title = {What the face reveals :},
	publisher = {Oxford University Press,},
	year = {c2005.},
	address = {Oxford ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0421/2004018698.html}
}