1. Clarke, B., ‘Structural Fill’, in ‘The Use of PFA in Construction’, Proceedings of a National Seminar, Dundee, Feb. 1992 (University of Dundee, 1992) 21–32.
2. Cripwell, J.B., ‘Pulverized fuel ash’,Ibid. ‘The Use of PFA in Construction’, Proceedings of a National Seminar, Dundee, Feb. 1992 (University of Dundee, 1992) 1–20.
3. Dhir, R. K. and McCarthy, M. J., ‘Realising the developments in binder scince and technology in concrete construction’, in Proceedings of the 21st Conference on Our World in Concrete and Structures, Singapore, Aug. 1996, 15–26.
4. British Standards Institution, ‘BS 3892, Part 1: Pulverized-fuel Ash: Specification for Pulverized-fuel Ash for Use with Portland Cement’, London, 1997.
5. British Standards Institution, ‘BS 3892, Part 2: Pulverized-fuel Ash: Specification for Pulverized-fuel Ash for Use as a Type I Addition’, London, 1996.