Search Results - Schaeffer, O. A. (Oliver Adam), 1919-

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    Potassium argon dating. by Schaeffer, O. A. (Oliver Adam), 1919-

    Published 1966
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  2. 2
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    Chlorine-36 in nature / by Davis, Raymond, 1914-2006

    Published 1955
    Other Authors: “…Schaeffer, O. A. (Oliver Adam), 1919-…”
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