1. P.K. Mehta, H. Meryman, Tools for reducing carbon emissions due to cement consumption, Struct. Mag., A Joint Publication of NCSEA/CASE/SEI, vol. 16(1), 2009
2. S. Chaturvedi, J. Ochsendorf, Global environmental impacts due to concrete and steel, Struct. Eng. Int., vol. 14/3, Intl. Assoc. of Bridge and Structural Engineers, Zurich, 2004, pp. 198–200.
3. Pozzolanic and Cementitious Materials;Malhotra,1996
4. U.S. Geological Survey, Cement, Mineral Commodity Summaries, 2012.
5. American Coal Ash Association, Coal Combustion Product (CCP) Production & Use Survey Report, 2010.