1. American Coal Ash Association: Fly ash facts for highway engineers (FHWA), pp. 47-52 (2003)
2. Kresta F. Secondary raw materials in transport engineering (2013)
3. Frýzová R. Phase composition of power fly ash: Quantitative determination of selected minerals (2012)
4. Mezencevová A. Possibilities of using energy fly ash Acta Montanistica Slovaca 8 (2003)