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What Has Caused the Secular Increase in Solar Nitrogen-15?

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Science  04 Aug 1989:
Vol. 245, Issue 4917, pp. 480-486
DOI: 10.1126/science.245.4917.480

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vol. 245 no. 4917 480-486

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  1. JOHN F. KERRIDGE1
  1. 1Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90024.

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