Morison, Conner, and Richard Streeter. “The Influence of Vegetation Cover on the Grain-Size Distributions and Thicknesses of Two Icelandic Tephra Layers”. Volcanica 5, no. 2 (August 4, 2022): 227–248. Accessed August 10, 2022. https://www.jvolcanica.org/ojs/index.php/volcanica/article/view/117.