Kaulback, Ronald (1938). "A Journey in the Salween and Tsangpo Basins, South-Eastern Tibet". The Geographical Journal. 91 (2): 97–121. doi:10.2307/1788001. JSTOR1788001.
Kaulback, Ronald (1938). "A Journey in the Salween and Tsangpo Basins, South-Eastern Tibet". The Geographical Journal. 91 (2): 97–121. doi:10.2307/1788001. JSTOR1788001.