1. ACI Committee 232 (2003) Use of flyash in concrete (ACI 232.2R-03). American Concrete Institute, Farmington Hills, MI, p 41
2. ASCE (2009) America’s infrastructure report card
3. Brand R, Pulles T, Van Gijlswijk R, Fribourg-Blanc B, Courbet C (2004) European pollutant emission register. Final report
4. Choate W (2003) Energy and emission reduction opportunities for the cement industry. US Department of Energy, Washington
5. Commission on Geosciences, Environment and Resources (CGER) (2002) Coal waste impoundments: risks, responses, and alternatives