1. British Standard Institution, BS EN 197-1, 2000. Cement-composition, specification and conformity criteria for common cements, London.
2. British Standard Institution, BS 8500, 2002. Part 2 – Specification for constituent materials and concrete. Concrete-complementary to British Standard to BS EN 206-1, London.
3. British Standard Institution, BS 882, 1992. Specification for aggregate from natural sources for concrete, London.
4. Suitability of recycled concrete aggregate for use in BS 5328 designated mixes;Dhir;Proceedings of the Institution of Civil Engineers – Structures and Buildings,1999
5. Sampling of road surfacing materials;Goodsall;Journal of Applied Chemistry,1970