2
' 1961 Nature Publishing Group

Measurement of the Thorium Content of Natural Materials by a γ-Ray Counting Method

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Page 1: Measurement of the Thorium Content of Natural Materials by a γ-Ray Counting Method

© 1961 Nature Publishing Group

Page 2: Measurement of the Thorium Content of Natural Materials by a γ-Ray Counting Method

© 1961 Nature Publishing Group