1. Warning the public about Mount Pinatubo: a story worth repeating;Punongbayan;Stop Disasters,1995
2. Nature and mechanism of the Mount St. Helens rockslide avalanche;Voight;Geotechnique,1983
3. Ewert, J. W. and Swanson, D. A. (eds.) 1992. Monitoring Volcanoes: Techniques and Strategies Used by the Staff of the Cascades Volcano Observatory, 1980–90, US Geological Survey Bulletin no. 1966. Washington, DC, US Government Printing Office. [A Spanish translation of this volume, Vigilando volcanes: Técnicas y estrategias empleadas por el personal del Observatorio Vulcanológico Cascades, 1980–90, was published in 1993 in cooperation with the Office of Foreign Disaster Assistance (OFDA), US Agency for International Development; it is available upon request from the Scientist-in-Charge, Cascades Volcano Observatory, US Geological Survey, 5400 MacArthur Blvd., Vancouver, WA 98661, USA.]
4. Rockslide-debris avalanche of May 18, 1980, Mount St. Helens Volcano, Washington;Glicken;Bulletin of Geological Society of Japan,1998