| 000 | 00663nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110620.0 | ||
| 035 | _aF8901000708633 | ||
| 084 | _aPCA BUL 174 1964 | ||
| 100 | _aPowers, T. C. | ||
| 245 | _aTopics in concrete technology comprised of four papers: geo-metric properties of particles and aggregates, analysis of -plastic concrete mixtures, mixtures containing intentionall-y entrained air, characteristics of air-void systems / by T-. C. Powers. | ||
| 260 | _aSkokie, Illinois : atories | ||
| 300 | _a[76] p. | ||
| 440 | _aBulletin 174 / Portland Cement Association | ||
| 690 | _aConcreto - Agregados - Pruebas.Concreto - Retención de aire - Eestudios. | ||
| 999 |
_c58717 _d58717 |
||