1. Pozzolanic Behavior of Fly Ash;University of California at Berkeley;Electric Power Research Institute report no. CS-3314,1984
2. Water Pollution Arising from Solid Waste (Coal, Fly Ash, Slag) Disposal, and Measures to Prevent Water Pollution;Golden,1983
3. Evaluation of Fly Ash Metal Recovery Processes;Oak Ridge National Laboratory;Electric Power Research Institute report no. CS-1992,1981
4. Recovery of Metals from Coal Ash: An Annotated Bibliography;Ames Laboratory,1983
5. Market Survey of Fly Ash Derived Magnetite;Baker Engineers;Electric Power Research Institute report no. CS-3615,1984