Freestone, Amy L., Osman, Richard W., and Whitlatch, Robert B. 2009. "Latitudinal Gradients in Recruitment and Community Dynamics in Marine Epifaunal Communities: Implications for Invasion Success." In Proceedings of the Smithsonian Marine Science Symposium. Lang, Michael A., Macintyre, Ian G., and Rützler, Klaus, editors. 247–258. Washington, D.C.: Smithsonian Institution Scholarly Press. In Smithsonian Contributions to the Marine Sciences, 38. https://doi.org/10.5479/si.01960768.38.247.