Handbook on the International Airways Volcano Watch (IAVW) : operational procedures and contact list.
International Civil Aviation Organization.
Montreal : International Civil Aviation Organization,
2004-
"Note:--This handbook is kept up to date (in English only) at the following web site: http://www.icao.int/icao/en/anb/met/index.html."
"Doc 9766-AN/968."
International Civil Aviation Organization
Volcanic activity prediction.
Aeronautics
Volcanic ash, tuff, etc.
Volcanic hazard analysis.