↑ Paul Benedict, Sino-Tibetan: a Conspectus, Cambridge University Press, pp. 51, 175. Weldon South Coblin, A Sinologists Handlist of Sino-Tibetan Lexical Comparisons, Steyler Verlag, 1986, p. 129. Axel Schuessler, ABC Etymological Dictionary of old chinese, University of Hawaii Press, 2006, p. 304.