1. Association of European Airlines, 1999. Yearbook, Vol. 7, AEA, Brussels.
2. Airports for Sales, the Case for Competition;Barrett,1984
3. Flying High; Airline Prices and European Regulation;Barrett,1987
4. Peripheral market entry, product differentiation, supplier rents and sustainability in the deregulated European airline market – a case study;Barrett;Journal of Air Transport Management,1999
5. Contestable markets;Baumol;American Economic Review,1982