Methods of physical tests for hydraulic cement, Part 3: Determination of soundness, IS 4031 (Part 3): 1988, Bureau of Indian Standards, New Delhi, 1988.
IS 269-1989, “Ordinary Portland cement, 33 grade specification”
IS 3535-1986, "Methods of sampling hydraulic cement".
IS 4031 (Part II) - 1999, “Methods of physical tests for hydraulic Cement”