books.google.fr - "The stability of slopes consisting of loose materials under wave attack have been investigated with the aid of small and large scale physical models. These slopes can be divided into rubble mound breakwaters, rubble mound revetments, rock beaches and gravel or shingle beaches"--Abstract....http://books.google.fr/books/about/Rock_Slopes_and_Gravel_Beaches_Under_Wav.html?hl=fr&id=k6LfMQAACAAJ&utm_source=gb-gplus-shareRock Slopes and Gravel Beaches Under Wave Attack
"The stability of slopes consisting of loose materials under wave attack have been investigated with the aid of small and large scale physical models. These slopes can be divided into rubble mound breakwaters, rubble mound revetments, rock beaches and gravel or shingle beaches"--Abstract.
