DJVU PDF Ferlus, M. 1978, "Reconstruction de /TS/ et /TŠ/ en Mon-Khmer", in The Mon-Khmer Studies Journal, vol. 7, pp. 1-38. cite.
DJVU PDF Khing Hoc Dy and Khing, J. 1978, "Les recommandations de Kram Ngoy", in The Mon-Khmer Studies Journal, vol. 7, pp. 141-181. cite.