1. Airports Council International (ACI). 1995. Environmental Handbook. ACI Europe-PPS.
2. Airports Council International (ACI). 1998. Creating Employment and Prosperity in Europe, a Study by ACI Europe of the Social and Economic Impact of Airports. ACI Europe: Geneva.
3. Aviation Environment Federation (AEF). 1999. http://www.aef.org.uk/[19 July 1999]
4. 1994. The Boeing 777 Engine/Aircraft Integration Aerodynamics Design Process. International Council on Aeronautical Sciences (ICAS) 94-6.4.4 (BCAG).
5. European scientific assessment of the atmospheric effects of aircraft emissions