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2. Mathematical models for simple harmonic linear water waves; wave diffraction and refraction;Berkhoff;Delft Hydraulics Laboratory, Publ. No. 163,1976
3. Verification computations with linear wave propagation models;Berkhoff;Delft Hydraulics Laboratory, Rep. W 154-VIII,1982
4. Gravity Waves on Water with Non-uniform Depth and Current;Booy,1981
5. A Monte Carlo approach to the computation of refraction of water waves;Bouws,1981