Lücke, Oscar H., and Ariadna Calderón. “Characterization of the Ashes from the 2014-2015 Turrialba Volcano Eruptions by Means of Scanning Electron Microscopy and Energy Dispersive X-Ray Spectroscopy”. Revista geológica de América central 54 (May 18, 2016). Accessed July 17, 2024. https://revistas.ucr.ac.cr/index.php/geologica/article/view/23281.