1. ACI, 1999. Greenport ’99: Thinking Green-strategies for Balanced Airport Development in the Next Century. 21–23 April 1999, Organised by Airports Council International, Amsterdam Airport Schiphol
2. ACI Europe, 1998. Eighth ACI Europe Annual Assembly, Congress and Exhibition: Airport and the Environment, 23–25 June 1998, Organised by Airports Council International Europe, Copenhagen
3. The practical determination of charge for noise pollution;Alexandre;Journal of Transport Economics and Policy,1980
4. Amsterdam Airport Schiphol, 1998a. Airport charges regulation. The Netherlands
5. Amsterdam Airport Schiphol, 1998b. Gebruiksplan Schiphol 1999. The Netherlands