1. ASTM C 311–96b. Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland-Cement Concrete.
2. The utilization of flyash
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4. R.N. Swamy. Cement Replacement Materials. Concrete Technology and Design, vol. 3, p. 206, Surrey University Press, London, 1986.
5. K. Wesche (ed.), Fly Ash in Concrete: Properties and Performance, Report of Technical Committee 67-FAB, p. 2, E&FN Spon, London, 1991.