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Copeland, G.J.M. (1985). A numerical model for the propagation of short gravity waves and the resulting circulation around near shore structures, PhD thesis, University of Liverpool, United Kingdom.

Davies, C.D. (1989). Wirral scheme, Proc. Conf. on Coastal Management, Thomas Telford, London, pp. 293-307.

Franco, L. and G.R. Tomasicchio (1992). Hydraulic and mathematical modelling of historical and modern seawalls for the defence of the Venice lagoon, Proc. ICCE 92, Venice, pp. 1879-1893.

Garcia, M.A. ; Sánchez-Arcilla, A. ; Sierra, J .P .; Sospedra, J. and Gómez, J. (1993). Wind waves off the Ebro delta, NW Mediterranean. J. Mar. Syst. , 4 (2/3) , 235-262.

British Maritime Technology Limited (1986). Global Wave Statistics, Unwin Brothers, United Kingdom. 

Committee on Coastal Engineering, Japan Society of Civil Engineers (1994). Japanese Coasts and Ports No.2. A collection of photographs.

Intergovernmental Panel on Climate Change (1994). Conference Report. World Coast Conference 1993, pp. 16.

Steetzel, H.J. (1993). Cross-shore transport during storm surges, PhD thesis, Delft University of Technology, the Netherlands.

pictures
The following companies are referred to:
AeroCamera-Hofmeester BV, Arlandabaan 21,3004 GA Rotterdam Airport, The Netherlands, Cover, Figures 26, 27, 30 and 88.
Aeroview -Dick Sellenraad, Rotterdam Airport, The Netherlands,
Figure 103.
Astado, Steynlaan 33, 3700 AD Zeist, The Netherlands,
Figures 64 and 70.
Flying Camera, Eindhoven Airport, 5605 JC, Eindhoven, The Netherlands,
Figure 28.

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