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A Short Duration of the Cretaceous-Tertiary Boundary Event: Evidence from Extraterrestrial Helium-3

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Science  09 Mar 2001:
Vol. 291, Issue 5510, pp. 1952-1955
DOI: 10.1126/science.291.5510.1952

Article Information

vol. 291 no. 5510 1952-1955

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History: 
  • Received for publication November 16, 2000
  • Accepted for publication February 1, 2001
  • .

Author Information

  1. S. Mukhopadhyay1,*,
  2. K. A. Farley1,
  3. A. Montanari2
  1. 1 Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA.
  2. 2 Osservatorio Geologico di Coldigioco, 62020 Frontale di Apiro, Italy.

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