TY  - RPRT
TI  - A volcanic activity alert-level system for aviation: Review of its development and application in Alaska
AU  - Marianne C. Guffanti
AU  - Thomas Miller
PY  - 2013
DO  - 10.1007/s11069-013-0761-4
UR  - https://pubs.usgs.gov/publication/70188536
ID  - 70188536
ER  -