1. System dynamics applicability to transportation modeling;Abbas;Transportation Research Part A: Policy and Practice,1994
2. Anderson, K., et al., 2007. Aviation in a low-carbon EU. Research Report. Tyndall Centre, University of Manchester.
3. Industrial Dynamics;Forrester,1961
4. Intergovernmental Panel on Climate Change (IPCC), 1999. Aviation and the Global Atmosphere. (accessed 11.06.08).
5. International Air Transport Association (IATA), 2008a. Facts & figures, monthly traffic results. (retrieved September 2008).