DJVU PDF Benedict, P.K. 1985, "PST interrogative *ga(ng) ~ *ka", in Linguistics of the Tibeto-Burman Area, vol. 8, no. 1, pp. 1-10. cite.
DJVU PDF Benedict, P.K. 1985, "The Sino-Tibetan existential *s-ri", in Linguistics of the Tibeto-Burman Area, vol. 8, no. 1, pp. 11-13. cite.