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University of Bern, C-14 Laboratory

Published online by Cambridge University Press:  03 June 2021

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Abstract

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Copyright
Copyright © The American Journal of Science

References

1 Reference standard before 1959 was various wood samples, not significantly different from 0-95 NBS oxalic acid. Corrections (a) are therefore to standard errors, not to dates.

2 Published by error as B-290, which is a different sample from higher up in the same bog profile.

3 Bone samples containing secondary carbonates, which were removed as far as possible, but some contamination may remain.

4 Two samples, with same number B-550.