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• Fly ash utilization :proceedings, Edision Electric Institute - National Coal Association - Bureau of Mines Symposium, Pittsburgh, Pennsylvania, March 14-16, 1967
• Ash utilization :proceedings: Third International Ash Utilization Symposium. Sponsored by National Coal Association, Edison Electric Institute, American Public Power Association, National Ash Association, and Bureau of Mines, Pittsburgh, Pa., March 13-14, 1973