Kinuthia, J., Snelson, D. and Gailius, A. 2009. Sustainable medium‐strength concrete (CS‐concrete) from colliery spoil in South Wales UK. Journal of Civil Engineering and Management. 15, 2 (Jun. 2009), 149-157. DOI:https://doi.org/10.3846/1392-3730.2009.15.149-157.