1. Large wave tank tests of riprap stability;Ahrens,1975
2. Internal set-up in breakwaters;Barends;Report No. SE 680294, Delft Geotechnics,1984
3. Slope-protection of placed block-revetment, large-scale research in the Delta flume of placed block-revetment on sand (in Dutch);Burger;Report No. M1795/M1881,1983
4. Non-darcy flow; A state of the art;Hannoura,1981
5. Simulation of internal water movement in breakwaters;Hölscher,1988