@book{40668,
	author = {Wittgenstein, Ludwig and  Anscombe,  G.E.M., translator},
	title = {Philosophical investigations /},
	publisher = {B. Blackwell,},
	year = {c1958 [Reprinted 1967]},
	address = {Oxford :},
	edition = {2nd ed.},
	note = {Opposite pages numbered in duplicate.}
}