TY - BOOK AU - Pfeifer, Donald W. AU - Hanson, J. A., coaut. TI - Sand replacement in structural lightweight concrete: sinter-ing grate aggregates / by Donald W. Pfeifer and J. A. Hanso-n CY - Skokie, Illinois : atories, Development Department N1 - "Authorized reprint from copyrighted, Journal of the Americ-an Concrete Institute, March 1967. Proceedings Vol. 64 p. 1-21." ER -