TY  - RPRT
TI  - Airborne volcanic ash; a global threat to aviation
AU  - Christina A. Neal
AU  - Marianne C. Guffanti
PY  - 2010
DO  - 10.3133/fs20103116
UR  - https://pubs.usgs.gov/publication/fs20103116
ID  - fs20103116
ER  -