12th International Harbour Congress, Antwerpen, Belgium, September 12-16,1999: Proceedings
Smitz, H.; Thues, G. (Ed.) (1999). 12th International Harbour Congress, Antwerpen, Belgium, September 12-16,1999: Proceedings. Technologisch Instituut: Antwerpen. ISBN 90-76019-08-8. 519 pp.