Taishan Yu, A study of Saka history, in Sino-Platonic Papers, Number 80, juli 1998: "The springs of the Tanais too, which Aristobulus says is called by the natives another name, the Jaxartes, rise on Mount Caucasus; and this river also flows out into the Hyrcanian Sea. The Tanais, of which Herodotus the historian tells us that it is the eighth of the Scythian rivers, rises and flows out of a great lake, and runs into a greater lake, called Maeotis, will be a different Tanais."
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