S. M. Daoud, M. Meghachou, H. Abbad, and P. Vacher, “The ‘Stick-Slip’ Phenomenon During the Active Earth Pressure Failure of a Granular Soil of Analogical Material”, Eng. Technol. Appl. Sci. Res., vol. 4, no. 1, pp. 566–569, Feb. 2014.