Breteler, M. K., Y. Provoost, P. van Steeg, G. Wolters, D. Kaste, and G. Mourik. “STABILITY COMPARISON OF 9 MODERN PLACED BLOCK REVETMENT TYPES FOR SLOPE PROTECTIONS”. Coastal Engineering Proceedings, vol. 1, no. 36, Dec. 2018, p. papers.75, doi:10.9753/icce.v36.papers.75.