-31- 23. Sverdrup, H. U., M. W. Johnson, R. H. Fleming. e4. Takanobu, S. et al. Oceans. The Prentice-Hall Inc. New York. 1087 pp. (1946). Radiochemical studies on "Bikini Ashes" March 1, 1954. their formation. Res. Part II. A consideration on in the Effects and Influences of the Nuclear Bomb Test Explosions 1: 566-574 (1956). 25. Thompson, T. G. and T. J. Chow. The strontium-calcium atom ratio in carbonate-secreting marine organisms. Papers in Marine Biology and Oceanography, pp. 20-39. Pergamon Press Ltd. London (1956). 26. Vinogradov, A. P. The Elementary Chemical Composition of Marine Organisms. Sears Foundation for Marine Research, Yale Univ. New Haven. 647 pp. (1953). 27. Welcher, F. J. The Analytical Uses of Ethylenediamine Tetraacetic Acid. 366 pp. (1958). D. Van Nostrand Co. Ince. Princeton. DOE ARCHIVES 36