NASA - National Aeronautics and Space Administration

Pieri, D., J. A. 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.