1. Battjes J.A. Computation of set-up longshore currents run-up and overtopping due to wind-generated waves thesis Delft 1974
2. Battjes J.A. Lecture "Linear versus nonlinear models for wave groups" presented at IAHR Colloqium on "The propagation of nonlinear free surface water waves" Delft April 22-23 1982 (manuscript in preparation 1984)
3. Bouws E. Spectra of extreme wave conditions in the southern North Sea considering the influence of water depth. AREA Conference on sea climatology Paris 1979