Brent V. Alloway, Agung Pribadi, John A. Westgate, Michael Bird, L. Keith Fifield, Alan Hogg, Ian Smith: Correspondence between glass-FT and 14C ages of silicic pyroclastic flow deposits sourced from Maninjau caldera, west-central Sumatra. In: Earth and Planetary Science Letters. 227. Jahrgang, Nr.1–2. Elsevier, 30. Oktober 2004, S.121, doi:10.1016/j.epsl.2004.08.014, bibcode:2004E&PSL.227..121A (englisch).
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Brent V. Alloway, Agung Pribadi, John A. Westgate, Michael Bird, L. Keith Fifield, Alan Hogg, Ian Smith: Correspondence between glass-FT and 14C ages of silicic pyroclastic flow deposits sourced from Maninjau caldera, west-central Sumatra. In: Earth and Planetary Science Letters. 227. Jahrgang, Nr.1–2. Elsevier, 30. Oktober 2004, S.121, doi:10.1016/j.epsl.2004.08.014, bibcode:2004E&PSL.227..121A (englisch).