@book{106937,
	author = {Grayling, Anthony C,},
	title = {Wittgenstein :},
	publisher = {Oxford University Press,},
	year = {2001.},
	series = {Very short introductions ;},
	address = {Oxford :},
	note = {Originally published: 1988.},
	url = {http://www.loc.gov/catdir/enhancements/fy0611/2001267926-t.html}
}