In search of the link between ship size and operations
Sys Christa   Blauwens Gust   Omey Eddy   Van de Voorde Eddy   Witlox Frank  
Transportation planning and technology - ISSN 0308-1060-31:4 (2008) p. 435-463
Citatielink

Is the container liner shipping industry an oligopoly?
Sys Christa  
Transport policy - ISSN 0967-070X-16:5 (2010) p. 259-270
Citatielink

Scenarios and strategies for the inland navigation sector
Sys Christa   Vanelslander Thierry  
Future challenges for inland navigation : a scientific appraisal of the consequences of possible strategic and economic development up to 2030 / --p. 217-231
Citatielink

A non-structural test for competition in the container liner shipping industry
Sys Christa   Meersman Hilde   Van de Voorde Eddy  
Maritime policy and management - ISSN 0308-8839-38:3 (2011) p. 219-234
Citatielink