1. Agus SS, Schanz T (2003) Vapour equilibrium technique for tests on a highly compacted bentonite-sand mixture. In: Proceedings of the international conference on problematic soils, Nottingham, United Kingdom pp 467–474
2. Agus SS, Schanz T (2005) Swelling pressure and total suction of compacted bentonite-sand mixtures. In: Proceedings of international conference on problematic soils, Northern Cyprus
3. Agus SS, Schanz T (2008) An alternative method for predicting swelling pressure of compacted bentonites. Acta Geotech 3(2):125–137
4. Agus SS, Schanz T, Fredlund DG (2010) Measurements of suction and water content for bentonite/sand mixtures. Can Geotech J 47(5):583–594
5. ASTM (1997) Annual book of standards. Volumes 04.08 and 04.09, soil and rock. ASTM International, West Conshohocken, PA