1. Airline Business, 1999. Capacity crisis hits European skies. 36–38.
2. Airports Council International-Europe, 2000. Low-Cost Airlines Bring New Blood to Airports.
3. Civil Aviation Authority (UK), 1996. Passengers at Birmingham, Gatwick, Heathrow, London City, Luton, Manchester and Stansted Airport in 1996, CAP 677.
4. Chinn, J., 1996. Aircraft linkings, Final Year Project. Transport Studies Group, Loughborough University.
5. Eilstrup, F., 2000. Determining the absolute minimum turnaround time for your flights — what is realistically achievable? European carrier perspective. Proceedings of Minimising Aircraft Turnaround Times Conference, London England.