| 000 | 00551nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110620.0 | ||
| 035 | _aF8901000708558 | ||
| 084 | _aPCA BUL 135 1962 | ||
| 100 | _aCopeland, L. E. | ||
| 245 | _aElectron optical investigation of the hydration products of- calcium silicates and portland cement / by L. E. Copeland- and Edith G. Schulz. | ||
| 260 | _aSkokie, Illinois : atories | ||
| 300 | _a12 p. | ||
| 440 | _aBulletin 135 / Portland Cement Association | ||
| 690 | _aCemento portland - Hidratación. | ||
| 700 | _aSchulz, Edith G., coaut. | ||
| 999 |
_c58678 _d58678 |
||