4G.P.Huffman, F.E.Huggins, G.R.Dunmyre. Investigation of the high-temperaturebehavior of coal ash in reducing and oxidizing atmospheres. Fuel. 60(7),585-597,1991
6R.K.Rohatgi, P.Huang, R.Guo, B.N.Keshavaram and D.Golden. Morphology and selectedproperties of fly ash. In:Fly Ash,. Silica Fume, Slag, and Natural Pozzolans in Concrete,Proceedings Fifth International Conference, Milwaukee, Wisconsin, USA, April 21~25,1995,459~478
7G.J.McCarthy, J.K.Solem, O.Manz,D.J.Hassett. Use of a database of chemical,mineralogical and physical fly ash and its utilization as a mineral admixture in concrete.Materials Reserch Society Symposium Proceedings, Vol.178,3~31,1990
8D.L.Biggs and J.J.Bruns.Transmitted and reflected visible light microscopy of twobituminous fly ashes. Materials Research Society Symposium Proceedings, Vol. 21~30,1985
9B.E.Scheetz and W.B.White . Characterization of crystalline phases in fly ash bymicrofocus Raman spectroscopy. Materials Research Society Symposium Proceedings, Vol.43,53~60,1985