Shīxīng, a Sino-Tibetan language of South-WestChina: A grammatical sketch with two appended texts. Linguistics of the Tibeto-Burman Area 32(1). 1-89.; Chirkova, Katia and Yiya Chen. 2013. Xumi (part 1): Lower Xumi, the variety of the lower and middle reaches of the Shuiluo river. Journal of the International Phonetic Association 43(3). 363-379.