@book{90493,
	author = {Guthrie, W. K. C.},
	title = {Los filósofos griegos :},
	publisher = {Fondo de Cultura Económica,},
	year = {1958.},
	address = {México :},
	edition = {2a ed.},
	note = {Translation of The Greek philosophers--from Thales to Aristotle.}
}