Pieri, D.C., J. Diaz, G. Bland, M. Fladeland, Y. Madrigal, E. Corrales, O. Alegria, A. Alan, V. Realmuto, T. Miles, and A. Abtahi (2014), Insitu observations and sampling of volanic emissions with NASA and UCR unmanned aircraft, including a case study at Turriabla Volcano, Costa Rica, Remote Sensing of Volcanoes and Volcanic Processes: Integrating Observation and Modelling, edited by D. M. Pyle, T. A. Mather, and J. Biggs. London: Geological Society of London, 321.