1. Scouring-hydraulic Structures Design Manual. IAHR;Breusers,1991
2. Coastal Engineering Manual 1110-2-1100, Washington, D.C;CEM, US Army Corps of Engineers,2002
3. Mechanics of riprap failure at bridge piers;Chiew;Journal of Hydraulic Engineering,1995
4. Manual on the use of rock in coastal and shoreline engineering;CIRIA/CUR,1991
5. Cost reduction of offshore wind parks by low cost load monitoring of pile foundations, offshore wind energy in Mediterranean and other European Seas (OWEMES), Napels, Italy;den Boon,2003