DJVU PDF Vickery, M. 1992, "Evidence for prehistoric Austronesian-Khmer contact and linguistic borrowing", in The Mon-Khmer Studies Journal, vol. 21, pp. 185-189. cite.

DJVU PDF Vickery, M. 1992, "A ‘modern’ number term in Old Khmer", in The Mon-Khmer Studies Journal, vol. 21, pp. 191-193. cite.