DJVU PDF Neukom, L. 1999, "Phonological typology of northeast India", in Linguistics of the Tibeto-Burman Area, vol. 22, no. 2, pp. 121-147. cite.
DJVU PDF Matisoff, J.A. 1999, "In defense of 'Kamarupan'", in Linguistics of the Tibeto-Burman Area, vol. 22, no. 2, pp. 173-182. cite.