1. Goodwin, R.W.; “Land Disposal: Fly Ash and Sludge”; presented at American Power Conference, Chicago, Illinois, April, 1980.
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3. Goodwin, R.W.; “Engineering and Design Aspects: Disposal and By-Product Utilization of FGD Residues”; presented at the Tenth EPA/EPRI Symposium on Flue Gas Desulfurization; Atlanta, GA; November 18–21, 1986.
4. Goodwin, R.W.; “Ash from Refuse Incineration Systems: Testing, Disposal, and Utilization Issues”; presented at MASS-APCA Conference; Atlantic City, NJ, November 3–6, 1987.
5. Jumikis, A.R.; Soil Mechanics; Robert R. Krieger Publishing Co.; Malabar, FL; 1984; pp 82–84.