Arya Assadi Langroudi, and Ian Jefferson. “COLLAPSIBILITY IN CALCAREOUS CLAYEY LOESS: A FACTOR OF STRESS-HYDRAULIC HISTORY”. GEOMATE Journal 5, no. 9 (September 30, 2013): 620–627. Accessed July 7, 2022. https://geomatejournal.com/geomate/article/view/2023.