1971, E. K. Duursma, M. G. Gross, Chapter Six: Marine Sediments and Radioactivity, National Research Council (U.S.) Committee on Oceanography Panel on Radioactivity in the Marine Environment, Radioactivity in the marine environment, page 148, In sediments with large cation exchange capacities, as calculated from the mineral composition (Duursma and Eisma, unpublished), the radionuclides were somewhat more strongly sorbed (Figure 2).
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