Giles, Lionel (1930–1932). "A Chinese Geographical Text of the Ninth Century". Bulletin of the School of Oriental and African Studies. 6 (4): 825–846 [p. 846]. doi:10.1017/S0041977X00123067.
nii.ac.jp
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Stein, Aurel (1928). Innermost Asia: Detailed Report of Explorations in Central Asia, Kan-su and Eastern Iran, Carried Out and Described under the Orders of H.M. Indian Government. Oxford: Clarendon Press. p. 713.Text available here On 'yar' یار (ravine), see G. Raquette (1927),English-Turki Dictionary: Based on the Dialects of Kashgar and Yarkand, Lunds Universitet Årsskrift. N.F. Avd. 1. Bd. 23. Nr. 4, Lund: C. W. K. Gleerup, p.95. On khot[o]/ XOT, 'group of tents, town, etc.', see Charles Bawden (1997), Mongolian-English Dictionary, London: Kegan Paul, p.452.
