Davey, A. & Stewartson, K. 1974 On three-dimensional packets of surface waves. Proc. R. Soc. Lond. A 338 (1613), 101–110.
Hasselmann, K. 1962 On the nonlinear energy transfer in a gravity-wave spectrum. Part 1. General theory. J. Fluid Mech. 12, 481–500.
Herterich, K. & Hasselmann, K. 1980 Similarity relation for the nonlinear energy-transfer in a finite-depth gravity-wave spectrum. J. Fluid Mech. 97, 215–224.
Hogan, S. J., Gruman, I. & Stiassnie, M. 1988 On the changes in phase speed of one train of water-waves in the presence of another. J. Fluid Mech. 192, 97–114.
Janssen, P. A. E. M. & Onorato, M. 2007 The intermediate water depth limit of the Zakharov equation and consequences for wave prediction. J. Phys. Oceanogr. 37, 2389–2400.
Knobloch, E. & Pierce, R. D. 1998 On mean flows associated with travelling water waves. Fluid Dyn. Res. 22 (2), 61–71.
Krasitskii, V. P. 1994 On reduced equations in the Hamiltonian theory of weakly nonlinear surface-waves. J. Fluid Mech. 272, 1–20.
Lavrova, O. T. 1983 On the lateral instability of waves on the surface of a finite-depth fluid. Izv. Atmos. Ocean. Phys. 19, 807–810.
Longuet-Higgins, M. S. & Phillips, O. M. 1962 Phase velocity effects in tertiary wave interactions. J. Fluid Mech. 12, 333–336.
Longuet-Higgins, M. S. & Stewart, R. W. 1962 Radiation stress and mass transport in gravity waves, with application to ‘surf beats’. J. Fluid Mech. 13 (4), 481–504.
Madsen, P. A. & Fuhrman, D. R. 2006 Third-order theory for bichromatic bi-directional water waves. J. Fluid Mech. 557, 369–397.
Mei, C. C., Stiassnie, M. & Yue, D. K. P. 2005 Theory and Applications of Ocean Surface Waves, Part 2: Nonlinear Aspects. World Scientific.
Stiassnie, M. & Shemer, L. 1984 On modifications of the Zakharov equation for surface gravity-waves. J. Fluid Mech. 143, 47–67.
Stiassnie, M. & Shemer, L. 1987 Energy computations for evolution of class-I and class-II instabilities of stokes waves. J. Fluid Mech. 174, 299–312.
Whitham, G. B. 1974 Linear and Nonlinear Waves. Wiley.
Yuen, H. C. & Lake, B. M. 1982 nonlinear dynamics of deep-water gravity-waves. Adv. Appl. Mech. 22, 67–229.
Zakharov, V. 1999 Statistical theory of gravity and capillary waves on the surface of a finite-depth fluid. Eur. J. Mech. B 18 (3), 327–344.
Zakharov, V. E. 1968 Stability of periodic waves of finite amplitude on the surface of a deep fluid. J. Appl. Mech. Tech. Phys. 9, 190–194.
Zakharov, V. E. & Kharitonov, V. G. 1970 Instability of monochromatic waves on the surface of a liquid of arbitrary depth. J. Appl. Mech. Tech. Phys. 11, 741–751.