Physicochemical or geochemical, Toxicological

• Wilson, M. R., Stone, V., Cullen, R. T., Searl, A., Maynard, R. L., Donaldson, K., (2000), In vitro toxicology of respirable Montserrat volcanic ash, Occupational and Environmental Medicine, 57(11), 727-733, 10.1136/oem.57.11.727