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Discussion on a revision of Ordovician Series and Stage divisions from the historical type area

Published online by Cambridge University Press:  01 May 2009

M. G. Bassett ,
R. M. Owens ,
R. A. Fortey ,
D. A. T. Harper ,
J. K. Ingham  and
A. W. A. Rushton
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Geological Magazine , Volume 133 , Issue 6 , November 1996 , pp. 767 - 772
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Copyright © Cambridge University Press 1996

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References

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