1. Study of the system CaO~Al2O3~H2O at temperatures of 21 degrees and 90 degrees C
2. 2F. E. Jones, and M. H. Roberts , "The System CaO-Al2O3-H2O at 25oC ," Department of Science and Industrial Research, Building Research Station, Note E965, Her Majesty's Stationery Office, London.
3. 4R. Turriziani, and H. F. W. Taylor ; Chapter 6, p.262 inChemistry of Cements , Vol. 1 . Edited by. Academic Press, New York, 1964 .