1. The Sea-grasses of The World;den Hartog,1970
2. Taxonomy and biogeography in seagrasses;den Hartog,2006
3. Differences in nutrient concentration and resources between seagrass communities on carbonate and terrigenous sediments in south Sulawesi Indonesia;Erftemeijer;Bull. Mar. Sci.,1993
4. Primary production of deep-water Halophila ovalis meadows;Erftemeijer;Aquat. Bot.,1999
5. Primary production of seagrass beds in south Sulawesi (Indonesia): a comparison of habitats, methods and species;Erftemeijer;Aquat. Bot.,1993