Barrantes Castillo, Gustavo, Santiago Nuñez, and Eduardo Malavassi. “Ash Fallout Hazard from Irazú Volcano, Costa Rica”. Revista Geográfica de Chile Terra Australis 54, no. 1 (December 19, 2018): 13–25. Accessed April 19, 2024. https://www.revistaterraaustralis.cl/index.php/rgch/article/view/7.