J.-C. Chai, J. P. Carter, A. Saito, and T. Hino. 2013. “Behaviour of Clay Subjecting to Vacuum and Surcharge Loading in an Oedometer”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 44 (4). Bangkok, Thailand:1-8. https://doi.org/10.14456/seagj.2013.1.