Lightweight aggregates for concrete masonry units / by C. C-. Carlson.
Carlson, C. C.
Lightweight aggregates for concrete masonry units / by C. C-. Carlson. - Skokie, Illinois : atories, Development Department - [18] p. - Bulletin D14 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
"Authorized reprint from copyrighted Journal of the America-n Concrete Institute November 1956, Proceedings Vol. 53. p.- 491."
Lightweight aggregates for concrete masonry units / by C. C-. Carlson. - Skokie, Illinois : atories, Development Department - [18] p. - Bulletin D14 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
"Authorized reprint from copyrighted Journal of the America-n Concrete Institute November 1956, Proceedings Vol. 53. p.- 491."