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Verhagen, H.J. (author), Van Maastrigt, R. (author)Study for the design of an access channel to the coal port of Cerrejon, Colombia using a ship manoeuvring simulatorreport 1982
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Verhagen, H.J. (author)Addtional drawings for the mathematical model of the estimated siltation in the access channel to Siderurgia nacional in Seixal (Lisbon).report 1982
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Verhagen, H.J. (author)Morphological study (measurements and computation) for a new access channel to the Quimigal productuion plant in Seixal (Lisbon) in the Tagus Estuary (Tejo). The report contains measurement data of flow and sediment concentrations on various locations in the Tagus inner estuary.report 1981