Littler, Mark M., Littler, Diane S., and Brooks, Barrett L. 2009. "Herbivory, nutrients, stochastic events, and relative dominances of benthic indicator groups on coral reefs: a review and recommendations." In Proceedings of the Smithsonian Marine Science Symposium. 401–414. Washington, D.C.: Smithsonian Institution Scholarly Press. In Smithsonian Contributions to the Marine Sciences, 38. https://doi.org/10.5479/si.01960768.38.401.