1. ASTM C 618-08a (2008) Specification for fly ash and raw or calcined natural pozzolana for use as a mineral admixture in Portland cement concrete
2. ASTM E 2277-03 (2003) Standard guide for design and construction of coal ash structural fills
3. Bishop AW, Henkel DJ (1964) The measurement of soil properties in the triaxial test. Edward Arnold Publishers LTD, London
4. Bross B (1981) Pollution from ash lagoons and use of ash for embankments. In: Proceedings of the tenth international conference on soil mechanics and foundation engineering, Stockholm, 2, pp 309–312
5. BS 1377 (1990) Methods of testing soils for civil engineering purpose