Ota, T., Kawamura, H., Matsumi, Y., Koyanagi, J. and Satow, T. 2018. ON PREVENTIVE MAINTENANCE POLICY FOR WAVE DISSIPATING BLOCKS COVERING CAISSON BREAKWATER. Coastal Engineering Proceedings. 1, 36 (Dec. 2018), structures.72. DOI:https://doi.org/10.9753/icce.v36.structures.72.