1F.W.Thomas: Tibetan Literary texts and Documents concerning Chinese Turkestan. Ⅱ, London, 1951.
2《有关于阗地区的藏文文书》,《新疆文物》1992年第3期.
3G,URAYs The Old Tibetan Sources of the History of Central Asia up to 751A.D: A SuRVey, Prolegomena to the Sources on the History of Pre- Islamic central Asia, Budapest, 1979, P.276.