1. Washout of grains from filtered sand and gravel materials;Aberg;Journal of Geotechnical Engineering, ASCE,1993
2. Adel, H.D., Bakker, K.J., Breteler, M.K., 1988. Internal stability of minestone. In: Proceedings of the International Symposium on Modelling Soil–Water-Structure Interactions, Balkema, Rotterdam, pp. 225−231.
3. Andrianatrehina, L., Souli, H., Fry, J.J., Phan, Q.T., Fleureau, J.M., 2012. Internal stability of granular materials in triaxial tests. In: Proceedings of the Sixth International Conference on Scour and Erosion, Paris, pp. 911−918.
4. Code of Practice for Site Investigations. BS 5930;BSI,1981
5. British Standard Methods of Test for Soils for Civil Engineering Purposes. Part 2;BSI,1990