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2. In Vitro Determination of Chlorophyll a and Pheophytin a in Marine and Freshwater Algae by Fluorescence. EPA 445.0 Rev. 1.2;Arar,1997
3. Heavy mineral reconnaissance Florida west coast;Bates;Econ. Geol.,1963
4. Eastern Gulf of Mexico Continental Shelf Phosphorite Deposits;Birdsell,1979
5. Shallow waters and land/sea boundaries;Borum,1996