Nichols, Cody, and Alison Graettinger. “The Influence of Regional Stress and Structural Control on the Shape of Maar Craters”. Volcanica 4, no. 1 (April 8, 2021): 23–39. Accessed December 5, 2024. https://www.jvolcanica.org/ojs/index.php/volcanica/article/view/78.