Di Muro, Andrea, Fabian Schwarzlmueller, Ulrich Kueppers, Michael Heap, and Donald Dingwell. “Petrophysical Characterisation of Volcanic Ejecta to Constrain Subsurface Lithological Heterogeneities: Implications for Edifice Stability at Basaltic Volcanoes”. Volcanica 4, no. 1 (April 8, 2021): 41–66. Accessed May 10, 2021. https://www.jvolcanica.org/ojs/index.php/volcanica/article/view/101.