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2. Clausen, H. B. , 1965, Extraction of P32 from heavily contaminated air filters. Manuscript in preparation.
3. Gases in glaciers;Coachman;Science,1958
4. Evidence for bomb produced Si32;Dansgaard;Journ. of Geophys. Res.,1966
5. The production of Si32 by means of a(t,p) process;Geithoff;Radiochim. Acta.,1962