@book{131025,
	author = {Wason, P. C.},
	title = {Perspectives on thinking and reasoning :},
	publisher = {Lawrence Erlbaum Associates,},
	year = {c1995.},
	address = {Hove, UK ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0652/2002491801-d.html}
}