* ; 2004: A Geologic Time Scale 2004, Cambridge University Press.
* ; 2001: Precise K-Ar, ⁴⁰Ar/³⁹Ar, Rb-Sr and U/Pb mineral ages from the 27.5 Ma Fish Canyon Tuff reference standard, Chemical Geology 175(3-4), pp 653-671.
* ; 2004: The size and frequency of the largest explosive eruptions on Earth, Bulletin of Volcanology 66(8), pp 735-748.

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