Personal, ambient & remote monitoring/sensing, Physicochemical or geochemical

• Martin, R. S., Mather, T. A., Pyle, D. M., Power, M., Tsanev, V. I., Oppenheimer, C., Allen, A. G., Horwell, C. J., Ward, E. P. W., (2009), Size distributions of fine silicate and other particles in Masaya's volcanic plume, Journal of Geophysical Research – Atmospheres, 114(D09217), 1-13, 10.1029/2008JD011211