"A Technical evaluation of the WVU-OCR process for producing flyash-based structural materials. "; "Cockrell, Charles F.", "Shafer, Harry E., 1937-"; "Fly ash.", "Building materials."; "Shafer, Harry E., 1937-", "Cockrell, Charles F."; "[1969?]"; "Serial issue. Issued as: West Virginia University. Coal Research Bureau. Technical report, no. 40.
"; ""; "P4386"; "pec"; "Fly ash.", "Building materials."; "14256"; .