use of air-entraining admixtures in concrete in large dams -in the United States / by William Lerch.
Lerch, William.
use of air-entraining admixtures in concrete in large dams -in the United States / by William Lerch. - Chicago : atories - 12 p. - Bulletin 99 / Portland Cement Association .
"Reprinted from R98 Sixth Congress on Large Dams, New York - City, September 1958".
use of air-entraining admixtures in concrete in large dams -in the United States / by William Lerch. - Chicago : atories - 12 p. - Bulletin 99 / Portland Cement Association .
"Reprinted from R98 Sixth Congress on Large Dams, New York - City, September 1958".