@book{23907,
	author = {Ophuijsen, Johannes M. van. and Raalte, Marlein van.},
	title = {Protagoras of Abdera :},
	publisher = {Brill,},
	year = {2013.},
	series = {Philosophia antiqua},
	address = {Leiden :},
	url = {http://dx.doi.org/10.1163/9789004251243}
}