Physicochemical or geochemical

• Horwell, C. J., Sargent, P., Andronico, D., Lo Castro, M. D., Tomatis, M., Hillman, S. E., Michnowicz, S. A. K., Fubini, B., (2017), The iron-catalysed surface reactivity and health-pertinent physical characteristics of explosive volcanic ash from Mt. Etna, Italy, Journal of Applied Volcanology, 6(1): 12, 10.1186/s13617-017-0063-8

Physicochemical or geochemical

• Horwell, C. J., Le Blond, J. S., Michnowicz, S. A. K., Cressey, G., (2010), Cristobalite in a rhyolitic lava dome: Evolution of ash hazard, Bulletin of Volcanology, 72, 249–253, 10.1007/s00445-009-0327-1

Physicochemical or geochemical, Toxicological

• Le Blond, J. S., Horwell, C. J., Baxter, P. J., Michnowicz, S. A. K., Tomatis, M., Fubini, B., Delmelle, P., Dunster, C., Patia, H., (2010), Mineralogical analyses and in vitro screening tests for the rapid evaluation of the health hazard of volcanic ash at Rabaul volcano, Papua New Guinea, Bulletin of Volcanology, 72, 1077-1092, 10.1007/s00445-010-0382-7

Leaching, Physicochemical or geochemical, Toxicological

• Le Blond, J. S., Horwell, C. J., Baxter, P. J., Michnowicz, S. A. K., Tomatis, M., Fubini, B., Delmelle, P., Dunster, C., Patia, H., (2010), Mineralogical analyses and in vitro screening tests for the rapid evaluation of the health hazard of volcanic ash at Rabaul volcano, Papua New Guinea, Bulletin of Volcanology, 72, 1077-1092, 10.1007/s00445-010-0382-7