Bernard, Benjamin. “Rapid Hazard Assessment of Volcanic Ballistic Projectiles Using Long-Exposure Photographs: Insights from the 2010 Eruptions at Tungurahua Volcano, Ecuador”. Volcanica 1, no. 1 (June 4, 2018): 49–61. Accessed September 30, 2025. https://www.jvolcanica.org/ojs/index.php/volcanica/article/view/5.