Bibliography
Strauch, A. 1876. Otdiel' III. Presm'ikaiushchiiasia i Zemnodn'iia. In: Przewalski, N. M. (Ed.), Mongoliia i strana tangutov; trechletnee puteshestvieh v voctochnoi Nagornii Azii [= Mongolia and the Tangut Country: A Three Years' Journey in the Eastern Highlands of Asia]. Volume 2. Izd. Imp. Russkago Ob-va [Sankpeterburg], 1-51. [In Russian]
