1. S. Brunauer andD. L. Kantro, in ?The Chemistry of Cements?, Vol. 1, edited by H. F. W. Taylor (Academic, London, 1964) p. 293.
2. S. Diamond, in Proceedings of the Conference on Hydraulic Cement Pastes; Their Structures and Properties, University of Sheffield (Cement and Concrete Association, UK, 1976) p. 2.
3. V. S. Ramachandran, R. F. Feldman andJ. J. Beaudoin, in ?Concrete Science: Treatise on Current Research? (Heyden, London, 1981) p. 59.
4. H. M. Jennings, The Developing Microstructure in Portland Cement, in ?Advances in Cement Technology?, edited by S. N. Ghosh (Pergamon, London, 1983) p. 349.
5. J. E. Bailey andH. R. Stuart,Proc. Brit. Ceram. Soc. 35 (1984) 193.