References 1, M. Eisenbud and J. H. Harley, "Radioactive Dust fron Nuclear Detona- tions", Science, v. 117, pp. 141-147 (1953). 2. J. Rosinski, “Some Studies on the Evaluation of Gummed-Paper Collectors Used in Determining Radioactive Fallout", Trans. Amer. Geophysics Union, v. 38, pp. 857-863 (1957). 3. M. Eisenbud and J. H. Harley, “Long-Term Fallout", Science, v. 128, pp. 399-402 (1958). 4. G. A. Welford and J. H. Harley, "A New Method for Collection of Fallout Material from Nuclear Detonations, U.S. Atomic Energy Commission, Health and Safety Laboratory, New York (1958). 5. R. A. Baus, R. L. Patterson, Jr., A. W. Saunders, Jr., and L. B. Lockhart, Jr., Radiochemical Analysis of Air-Filter Samples Collected During 1957, U.S. Naval Research Laboratory, Washington, D. C. 6. (in press). L. Machta, "Discussion of Meteorological Factors and Fallout Distribution" and L. Machta and R. J. List, "Meteorological Interpretation of gr90 Fallout", in U.S. Atomic Energy Commission Document HASL-42, Environmental Contaminatior from Weapon Tests, pp. 310-338 (1958) BEST AVAILABLE COPY 7. W. Langham and E, C. Anderson, "Entry of Radioactive Fallout into the Biosphere and Man", HASL-42, pp. 282-309 (5958). weF 8. 9. Feller ” Po Uk Reel Ser. WRadvocliow jv. V4, FY BEC - Bre (e995 Abiyt Waai<4>,-pp--253-267 (2958). L. Machta and R. J. List, Stratospheric Data and Meteorological Interpreté tion, paper presented at Minneapolis, Minn., Oct. 8, 1958 (unpublished). 10. P. Loysen, A. J. Breslin and H. J. DiGiovanni, Experimental Collection Efficiency of a Stratospheric Air Sampler, USAEC Document NYO-4708 (1956). DOE ARCHIVES 11, Health and Safety Laboratory, Strontium Program Quarterly Summary Report, USAEC Document HASL-51 (1958). Al