1. Airbus Industries, various years, Global Market Forecast, Blagnac Cedex, France.
2. Global mortality attributable to aircraft cruise emissions;Barrett;Environ. Sci. Technol.,2010
3. Boeing Commercial Airplanes Group, various years, Current Market Outlook, Seattle, WA.
4. McDonnell Douglas, various years, Outlook for Commercial Aircraft, Douglas Aircraft Company, Long Beach, CA.
5. International Civil Aviation Organization (ICAO), various years, Outlook for Air Transport, Montreal, Canada.