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{{Vanseveren, Sylvia. "A "New" Ancient Indo-European Language? On Assumed Linguistic Contacts between Sumerian and Indo-European "Euphratic"". In: The Journal of Indo-European Studies (JIES). Vol. 36, Nº. 3-4 (FALL/WINTER), 2008: pp. 371-382. ISSN0092-2323}}