1. A simple ring shear apparatus;Bromhead;Ground Engineering,1979
2. Brune, M., Ramke, H.-G., Collins, H.-J. and Hanert, H. H., 1991. Incrustation processes in drainage systems of sanitary landfills. Proc. Sardinia 91, 3rd Int. Landfill Symp. Cagliari, Sardinia, Italy, pp. 999–1035.
3. Byrne, R. J., Kendall, J. and Brown, S., 1992. Cause and mechanism of failure, Kettleman Hills Landfill B-19, Phase IA. Stability and performance of slopes and embankments-II. Geotechnical Special Publication No. 31. in: R. B. Seed, R. W. Boulanger (Eds.), pp. 1188–1215.
4. Byrne, R. J., 1994. Design issues with strain-softening interfaces in landfill liners. Proc. Waste Tech ’94, Charleston, South Carolina.
5. Waste Management Paper 26B, Landfill Design, Construction and Operational Practice,1995