@book{205207,
	author = {Sluga, Hans D. and Wiley InterScience (Online service)},
	title = {Wittgenstein /},
	publisher = {Wiley-Blackwell,},
	year = {2011.},
	series = {Blackwell great minds ;},
	address = {Malden, MA :},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781444343311}
}