| 000 | 00516nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110621.0 | ||
| 035 | _aF8901000708703 | ||
| 084 | _aPCA BUL 213 1967 | ||
| 100 | _aGreening, Nathan R. | ||
| 245 | _aSome causes for variation in required, amount of air-entrai-ning agent in portland cement mortars / by Nathan R. Greeni-ng. | ||
| 260 | _aSkokie, Illinois : atories | ||
| 300 | _a[16] p. | ||
| 440 | _aBulletin 213 / Portland Cement Association | ||
| 690 | _aCemento portland - Retención de aire - Estudios. | ||
| 999 |
_c58755 _d58755 |
||