TY - RPRT TI - Airborne filter pack measurements of S and Cl in the plume of Redoubt Volcano, Alaska February–May 2009 AU - Melissa Pfeffer AU - Michael P. Doukas AU - Cynthia A. Werner AU - William C. Evans PY - 2013 DO - 10.1016/j.jvolgeores.2012.04.011 UR - https://pubs.usgs.gov/publication/70193585 ID - 70193585 ER -