Robert L. Brown, Anna M. Macdonnell
The Pong Tuk Lamp: A Reconsideration
in Journal of the Siam Society 77 (1990), pp. 9-20
ORIGINAL LINK : http://www.siamese-heritage.org/jsspdf/1981/JSS_077_2b_BrownMacdonnell_PongTukLampAReconsideration.pdf
The Pong Tuk Lamp: A Reconsideration
