40 REFERENCES -Beasley, Thomas M. and Edward E. Held. 1969. Nickel-63 in marine and terrestrial biota, soil, and sediment. Science 164:1161-1163. Bonham, Kelshaw. 1967. Radioactivity in invertebrates, p. 77-95. In Arthur D. Welander, Kelshaw Bonham, Ralph F. Palumbo, Stanley P. Gessel, Frank G. Lowman, William B. Jackson, Raul McClin, Gary B. Lewis Bikini- Eniwetok studies, .U.S. 1964. Part II Radiobiological studies. AEC Report UWFI-93. Gustafson, Atoll. Philip F. 1968. Radiological report on Bikini U.S. Atomic Energy Commission, and Medicine. (April). 26 p. MS. Division of Biology Koranda, J.J. 1965. Preliminary studies of the persistence of tritium and 14c in the Pacific Proving Ground. Health Physics 11:1445-1457. Kressin, I.K. and G.R. Waterbury. 1962. The quantitative separation of Pu from various ions by anion exchange. Anal. Chem. 34:1598-1601. McCown, J.J. and R.P. Larsen. 1960. Radiochemical determination of cerium by liquid-liquid extraction. Anal. Chem. 32 :587-599, Moghissi, A.A. and C.R. Porter. 1968. Tritium in surface waters of the United States, 1966. U.S. Dept. of Health, Education and Welfare, Public Health Service, Radiological Health Data and Reports 9(7):337-339. Palmer, H.E. and T.M. Beasley. 1967. Iron-55 in man and the biosphere. Health Physics 13:889-895. Petrow, Henry G. 1965. Rapid determination of strontium-90 in bone ash via solvent extraction of yttrium-90. Chem. 37:584-586. Seymour, Allyn H. 1963. Anal. Radioactivity of marine organisms from Guam, Palau, and the Gulf of Siam, 1958-1959, p. 151157. In Vincent Schultz and Alfred W. Klement, Jr. (ed. ) Radioecology. Washington, Reinhold, N.Y. and Amer. Inst. Biol. Sci., D.C. oe aw pws NT