Scattering matrices of volcanic ash particles of Mount St. Helens, Redoubt, and Mount Spurr Volcanoes Back to all publications Publication date 1 January 2004 DOI http://dx.doi.org/10.1029/2004jd004684 Reference O. Muñoz, H. Volten, J.W. Hovenier, B. Veihelmann, W.J. van der Zande, L.B.F.M. Waters and W.I. Rose, Scattering matrices of volcanic ash particles of Mount St. Helens, Redoubt, and Mount Spurr Volcanoes, J. Geophys. Res. 109, (2004) Request this article