1. Al-Rawas, A.A., 1993. The characteristics of expansive soils and rocks in Northern Oman. PhD Thesis, University of Strathclyde, Glasgow, Scotland, UK.
2. Al-Rawas, A.A., Woodrow, L.K.R., 1992. The distribution of expansive soils in Oman. In: Proceedings of the 7th International Conference on Expansive Soils vol. 1. Texas Tech University, Dallas, Texas, pp. 432–437.
3. ASCE, 1994. Bearing capacity of soils, Technical Engineering and Design Guides as Adopted from the US Army Corps of Engineers, no. 7, 142 pp.
4. Sample disturbance in the investigation of clay structure;Barden;Geotechnique,1971
5. Mineralogy and sedimentation of recent deep-sea clay in the Atlantic Ocean and adjacent seas and oceans;Biscaye;Geological Society of America Bulletin,1965