TY  - BOOK
AU  - Powers, T. C.
TI  - Resistance to weathering: freezing and thawing / by T. C. P-owers
CY  - Chicago : atories
N1  - "Authorized reprint from copyrighted Significance of tests - and properties of concrete and concrete aggregates special- Technical Publication No. 169, published by American Socie-ty for Testing Materials 1956"
ER  -