Dull, Robert A., John R. Southon, Steffen Kutterolf, Armin Freundt, David Wahl, Payson Sheets, New Perspectives to Paleoenvironmental Change and Geoarchaeology III: Evidence for the Ilopango TBJ eruption as the trigger of the AD 536 Event, (lire en ligne)
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volcano.si.edu
(en) « Ilopango », Global Volcanism Program (consulté le )
