DJVU PDF Bauer, R.S. 1992, "Winkin', blinkin' and nod: a study in historical-comparative semantics of Southeast Asian languages", in Linguistics of the Tibeto-Burman Area, vol. 15, no. 2, pp. 151-184. cite.

DJVU PDF Hayes, L.V.H. 1992, "On the common morphological origins of word families in Southeast Asia", in Linguistics of the Tibeto-Burman Area, vol. 15, no. 2, pp. 185-202. cite.