Brittany D. Brand, N. Pollock, C. Mackaman-Lofland and S. Bendana. "Dynamics of Pyroclastic Density Currents: Conditions That Promote Substrate Erosion and Self-Channelization - Mount St Helens, Washington" American Geophysical Union 2013 Fall Meeting (2013)
Available at: http://works.bepress.com/brittany_brand/46/