1. Al-Rehaili, M. Shouman, S. 1985, Ground fracture and damage to buildings at An Na'ay village (2/42B), Kingdom of Saudi Arabia, DGMR-OF-06-1
2. American Society for Testing and Material (ASTM D-421), 1993, Standard practice for dry preparation of soil samples for particle-size analysis and determination of soil constants
3. American Society for Testing and Material (ASTM D-422), 1993, Standard test method for particle-size analysis of soils
4. American Society for Testing and Material (ASTM D-427), 1993, Test method for shrinkage limit of soil
5. American Society for Testing and Material (ASTM D-854), 1992, Standard test method for specific gravity of soils