1. Rehsi, S. S. and Garg, S. K., Characteristics of Indian fly ashes. In Proceeding of National Workshop on Utilization of Fly Ash, Roorkee, May 19–20, 1988, pp. 131–136.
2. The Fly Ash Story: An Introduction. Key issue: Indian Energy Sector, June 2000. TERI Report down loaded on 22.08.03 from the site-.
3. Nath, N. C. B. and Misra, L., Proceeding of the National Workshop on Utilization of Fly Ash, May 19–20, 1988, Roorkee, pp. A-87–91.
4. Some aspects of the durability of a phosphogypsum-lime-fly ash binder;Garg;Construct. Build. Mater,1996
5. Utilization of red mud, fly ash for manufacturing bricks with pyrophyllite;Amritphale;Silicate Industriels,1987