"Lake Ilopango". Encyclopædia Britannica. Retrieved 13 July 2012.
doi.org
Dull, Robert A.; Southon, John R.; Sheets, Payson (2001). "Volcanism, Ecology and Culture: A Reassessment of the Volcan Ilopango Tbj eruption in the Southern Maya Realm". Latin American Antiquity. 12 (1). Latin American Antiquity, Vol. 12, No. 1: 25–44. doi:10.2307/971755. JSTOR971755. S2CID163686184., esp. p.27.
Golombek, Matthew P.; Carr, Michael J. (1978). "Tidal triggering of seismic and volcanic phenomena during the 1879–1880 eruption of Islas Quemadas volcano in El Salvador, Central America". Journal of Volcanology and Geothermal Research. 3 (3–4): 299–307. Bibcode:1978JVGR....3..299G. doi:10.1016/0377-0273(78)90040-9.
Golombek, Matthew P.; Carr, Michael J. (1978). "Tidal triggering of seismic and volcanic phenomena during the 1879–1880 eruption of Islas Quemadas volcano in El Salvador, Central America". Journal of Volcanology and Geothermal Research. 3 (3–4): 299–307. Bibcode:1978JVGR....3..299G. doi:10.1016/0377-0273(78)90040-9.
jstor.org
Dull, Robert A.; Southon, John R.; Sheets, Payson (2001). "Volcanism, Ecology and Culture: A Reassessment of the Volcan Ilopango Tbj eruption in the Southern Maya Realm". Latin American Antiquity. 12 (1). Latin American Antiquity, Vol. 12, No. 1: 25–44. doi:10.2307/971755. JSTOR971755. S2CID163686184., esp. p.27.
Dull, Robert A.; Southon, John R.; Sheets, Payson (2001). "Volcanism, Ecology and Culture: A Reassessment of the Volcan Ilopango Tbj eruption in the Southern Maya Realm". Latin American Antiquity. 12 (1). Latin American Antiquity, Vol. 12, No. 1: 25–44. doi:10.2307/971755. JSTOR971755. S2CID163686184., esp. p.27.
