1. Use of ground lime stone in concrete: a new look;Nehdi;Bull Res J,1995
2. Swamy RN, Mehmod HB. Mix proportions and strength characteristics of concrete containing 50% low calcium fly ash. In: Malhotra VM, editor. Proceedings of the second international congress on fly ash, silica fume, slag and national pozzolanas in concretes, Madrid, ACJ SP 91, vol. 1; 1986. p. 413–32.
3. Berry EE, Hemminge RR, Longlay WS, anaCarette CG. Beneficiated fly ash hydration, microstructure and strength development in portland system. In: Malhotra VM, editor. Proceedings of the third international congress fly ash, silica fume, slag and national pozzolana in concrete, Trondeheim, ACIS P 114, vol. I; 1989. p. 241.
4. Costa J, Massazza F. Natural pozzolanas and fly ashes: analogies and differences. In: Proceedings of symposium on effects of fly ash incorporation in cement and concretes. Boston, Material Research Society; 1981. p. 134.
5. Frearson JPH. Sulphate resistance of combinations of portland cement and of ground granulated blastfurnace slag. In: Proceedings of the second international congress on fly ash, silica fume, slag and natural pozzolanas in concrete, Madrid, ACI SP 91, vol. 2; 1986. p. 1495.