Clarification of the question of the ancient course of AMU Daria

Konshin, Athanasius MikhailovichClarification of the question of the ancient course of AMU-Darya: according to.Geol.and fiz.-geogr.Information / A.M.Konshin.- St. Petersburg: Type.Imp.Acad.sciences, 1897. -IV, 256 p., 15 liters.Il., cards.;24. - (Notes of the Imperial Russian Geographical Society for General Geography; T. 33, No. 1, ed. Ed. Action. Chl. I.V. Musketova).-P. 249-256: Remarks V.A.Obruchev.- Bibliogr.in notes..Electronic Source: PB