1. Electrical Resistivity of Compacted Clays
2. Al-Tabbaa, A. 2002. Soil mixing – overview current practice and needs. Cambridge University of Engineering Department, Cambridge U.K. pp. 21–28.
3. ASTM. 1998. Standard test method for particle-size analysis of soils. ASTM standard D422. American Society for Testing and Materials, West Conshohocken, Pa.
4. ASTM. 2000a. Standard test methods for liquid limit, plastic limit, and plasticity index of soils. ASTM standard D4318. American Society for Testing and Materials, West Conshohocken, Pa.
5. ASTM. 2000b. Standard practice for classification of soils for engineering purposes (Unified Soil Classification System). ASTM standard D2487-00. American Society for Testing and Materials, West Conshohocken, Pa.