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Science 28 September 2007:
Vol. 317. no. 5846, pp. 1900 - 1903
DOI: 10.1126/science.1138700


Late Archean Biospheric Oxygenation and Atmospheric Evolution
Alan J. Kaufman, David T. Johnston, James Farquhar, Andrew L. Masterson, Timothy W. Lyons, Steve Bates, Ariel D. Anbar, Gail L. Arnold, Jessica Garvin, Roger Buick

Supporting Online Material

This supplement contains:
SOM Text
Figs. S1 to S4
Tables S1 and S2
References

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Science. ISSN 0036-8075 (print), 1095-9203 (online)