G.T. Houlsby. “An Appreciation of Modified Cam Clay”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 51, no. 3 (September 30, 2020): 1–9. accessed September 12, 2026. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/258706.