"Production of forty percent core area flyash brick using a southern West Virginia flyash. "; "Slonaker, John F."; "Fly ash.", "Brickmaking."; "Slonaker, John F."; "1975"; "Serial issue. Issued as: West Virginia University. Coal Research Bureau. Technical report, no. 111. "; ""; "P3933"; "pec"; "Brickmaking.", "Fly ash."; "14256"; .