TransliterationIzvestiya Turkestanskogo Otdela Imperatorskogo Russkogo Geograficheskogo Obshchestva. 1915g. Tom XI, vypusk II, chast 2.
In EnglishProceedings of the Turkestan Department of the Imperial Russian Geographical Society. 1915. Volume XI, Issue II, Part 2. In Russian (ask us if in doubt)
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