DJVU PDF Pinnow, H.-J. 1979, "Reflections on the history of the Khmer phonemic system", in The Mon-Khmer Studies Journal, vol. 8, pp. 103-130. cite.

DJVU PDF Pinnow, H.-J. 1979, "Remarks on the structure of the Khmer syllable and word", in The Mon-Khmer Studies Journal, vol. 8, pp. 131-137. cite.