1. ASTM C187-04 (2004), Standard Test Method for Normal Consistency of Hydraulic Cement, United States.
2. B S EN 196-3 (2005), Method of Testing Cement: Determination of Setting Time and Soundness, London.
3. BS 1881: Part 102 (1983), Testing Concrete: Method for Determination of Slump, London.
4. BS 1881: Part 103 (1983), Testing Concrete: Method for Determination of Compaction Factor, London.
5. BS 1881: Part 104 (1983), Testing Concrete: Method for Determination of Vebe Time, London.