1.
Economisch belang van de Belgische havens: Vlaamse zeehavens, Luiks havencomplex en haven van Brussel – Verslag 2006
Economic Importance of Air Transport and Airport Activities in Belgium
Economic Importance of Air Transport and Airport Activities in Belgium – Report 2009
Economic importance of air transport and airport activities in Belgium – Report 2012
Economic Importance of Belgian Transport Logistics
Economic Importance of the Belgian Ports: Report 2005. Flemish maritime ports and Liège port complex