Manville, V., D. Johnston, . S. Stammers, and B. Scott. “Comparative Preparedness in New Zealand and the Philippines for Response To, and Recovery From, Volcanic Eruptions: Case Studies from the 1991 Pinatubo Eruption and the 1995-6 Eruptions of Ruapehu”. Bulletin of the New Zealand Society for Earthquake Engineering, vol. 33, no. 4, Dec. 2000, pp. 445-76, doi:10.5459/bnzsee.33.4.445-476.