@book{128155,
	author = {Zilioli, Ugo, and ebrary, Inc.},
	title = {Protagoras and the challenge of relativism},
	publisher = {Ashgate Pub. Ltd.,},
	year = {c2007.},
	series = {Ashgate new critical thinking in philosophy},
	address = {Aldershot, England ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10215575}
}