Bailey, Ryan T., John W. Jenson, and Arne E. Olsen. An atoll freshwater lens algebraic model for groundwater management in the Caroline Islands. Water and Environmental Research Institute of the Western Pacific, University of Guam, 2008. http://www.weriguam.org/docs/reports/120.pdf互联网档案馆的存檔,存档日期2011-07-22.
Bailey, Ryan T., John W. Jenson, and Arne E. Olsen. An atoll freshwater lens algebraic model for groundwater management in the Caroline Islands. Water and Environmental Research Institute of the Western Pacific, University of Guam, 2008. http://www.weriguam.org/docs/reports/120.pdf互联网档案馆的存檔,存档日期2011-07-22.