1. Tuutti K, editor. Corrosion of steel in concrete. Swedish Cement and Concrete Research Institute, Sweden, Stockholm, 1982
2. The reaction of fly ash in concrete a critical examination
3. Use of fly ash in concrete. ACI Commitee 226 Report, ACI Mat J, September/October 1987, p. 381
4. Matthews J. Concrete May/June 1992:17
5. The permeability of fly ash concrete