GILBERT, J. S. & SPARKS, R. S. J. Future research directions on the physics of explosive volcanic eruptions • DINGWELL, D. B. Recent experimental progress in the physical description of silicic magma relevant to explosive volcanism • NAVON, O. & LYAKHOVSKY, V. Vesiculation processes in silicic magmas MADER, H. M. Conduit flow and fragmentation • JAUPART, C. Gas loss from magmas through conduit walls during eruption WOODS, A. W. Observations and models of volcanic eruption columns BURSIK, M. Tephra disposal • DRUITT, T. H. Pyroclastic density currents • Index