1. Davies LJ (1964) A morphogenic approach to the worlds’ shorelines. Z Geomorphol 8:127–142
2. De Kramer J (2002) Water movement in Western Scheldt Estuary (in Dutch). Dep. of Physical Geography, Report ICG 02/6. University of Utrecht, Utrecht, The Netherlands
3. Dronkers JJ (1964) Tidal computations in rivers and coastal waters. North-Holland, New York, p 518
4. Dronkers J (2005) Dynamics of coastal systems. World Scientific, Hackensack, p 519
5. Dyer KR (1997) Estuaries: a physical introduction. Wiley and Sons, Aberdeen, UK