@book{6604,
	author = {Grayling, A. C.},
	title = {Wittgenstein /},
	publisher = {Oxford University Press,},
	year = {c1988.},
	address = {Oxford [Oxfordshire] ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0637/87024878-d.html}
}