Demoulin, V.1 publicationBay, D.; Demoulin, V. (detail)1989The seagrass beds of Hansa Bay (north coast of Papua New Guinea).Bull. Soc. Roy. Bot. Belg. 122(1): 3-17. 4 tabs. 6 figs.—French summ. Mentions the presence of dugongs in the study area (12).