DJVU PDF Bielenberg, B. and Zhalie, N. 2001, "Chokri (Phek dialect): phonetics and phonology", in Linguistics of the Tibeto-Burman Area, vol. 24, no. 2, pp. 85-122. cite.

DJVU PDF Hartmann, H. 2001, "Prenasalization and preglottalization in Daai Chin and with parallel examples from Mro and Mara", in Linguistics of the Tibeto-Burman Area, vol. 24, no. 2, pp. 123-142. cite.