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Science  20 Dec 2002:
Vol. 298, Issue 5602, pp. 2341-2342
DOI: 10.1126/science.1079894

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vol. 298 no. 5602 2341-2342

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Author Information

  1. Uwe H. Wiechert*
  1. The author is at the Institute for Isotope Geology and Mineral Resources, Department of Earth Sciences, ETH-Zentrum NO, 8092 Zürich, Switzerland. E-mail: wiechert{at}erdw.ethz.ch

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