1. Cement Chemistry;Taylor,1992
2. S. Chandra, in: V.M. Malhotra (Ed.), Proceedings of the 6th CANMET/ACI International Conference on Fly ash, Silica fume, Slag and Natural Pozzolan in Concrete – Supplementary papers, Bangkok, 1998, p. 323
3. The Chemistry of Silica;Iler,1979