8Panday K et al. Evaluation of Resilient Module and Layer Coefficients of A Coal Ash - stabilized Marginal Aggress Gate Base for AASHTO Flexible Pavement Design[J]. Water Research, 1985,19(7) : 869 - 876.
9G Steenbruggen , G G Hollman,The Synthesis of Zeolites from Fly Ash and the Properties of the Zeolite Products [J]. Journal of Geochemical Exploration, 1998,62: 305 - 309.