DJVU PDF Ratree P. Wayland and Guion, S.G. 2005, "Sound changes following the loss of /r/ in Khmer: a new tonogenetic Mechanism?", in The Mon-Khmer Studies Journal, vol. 35, pp. 55-82. cite.

DJVU PDF Brunelle, M. 2005, "Register and tone in Eastern Cham: evidence from a word game", in The Mon-Khmer Studies Journal, vol. 35, pp. 121-131. cite.