IN a recent communication 1, Ahrens reported some data on the frequency distribution of some of the elements in igneous rocks, and enunciated a geo-chemical law to the effect that the concentration of ...
Study of some processes of nucleosynthesis in the evolving galaxy / A.K. Lavrukhina and R.I. Kuznetsova -- Some long-lived and stable nuclides produced by nuclear reactions / R. Gensho [and others] -- ...
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