@book{30759,
	author = {Zeller, Eduard, and Nestle, Wilhelm,},
	title = {Outlines of the history of Greek philosophy /},
	publisher = {K. Paul, Trench, Trubner & co.,},
	year = {1931. [Reprinted 1950].},
	series = {International library of psychology, philosophy, and scientific method},
	address = {London :},
	edition = {13th ed.,}
}