@book{36898,
	author = {Zalabardo, Jos�e L.},
	title = {Wittgenstein's early philosophy},
	publisher = {Oxford University Press,},
	year = {2012.},
	address = {Oxford :},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199691524.001.0001}
}