1. U.S. overview of ash production and utilization;Faber,1976
2. Radioactivity in the atmospheric effluents of power-plants that used fossil fuels;Eisenbud;Science,1965
3. Field investigations of trace metals in ground water from fly ash disposal;Theis,1977
4. Recovery of alumina from fly ash by high-temperature chlorination;Burnet,1977
5. The lime-sinter process for production of alumina from fly ash;Chou,1976