Biology of the manta ray, Manta birostris Walbaum in the Indo-Pacific. In Seret, B. and Sire, J.Y. (Eds) Indo-Pacific fish biology: Proceedings of the 5th Indo-Pacific Fisheries Conference, Noumea, 1997. Ichthyological Society of France, Paris: 209–216
A study on the biology of rays occurring at Pohnpei Island, Caroline Islands. Proceedings of the 4th Indo-Pacific Fish Conference, Bankok: 87–107