The approach to the Europoort harbours in Rotterdam
van Riessen, G. (1969). The approach to the Europoort harbours in Rotterdam. Publication. Delft Hydraulics Laboratory = Publikatie - Waterloopkundig Laboratorium, 65. Waterloopkundig Laboratorium = Delft Hydraulics Laboratory: Delft. 11 pp.
Deel van: Publication. Delft Hydraulics Laboratory = Publikatie - Waterloopkundig Laboratorium. Delft Hydraulics Laboratory: Delft. ISSN 0166-7521, meer