| 000 | 00511nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110618.0 | ||
| 035 | _aF8901000708396 | ||
| 084 | _aPCA BUL 21 1947 | ||
| 100 | _aPickett, Gerald. | ||
| 245 | _aEffect of gypsum content and other factors on shrinkage of -concrete prisms / by Gerald Pickett. | ||
| 260 | _aChicago : Portland Cement Association, Research Laboratories | ||
| 300 | _a[28] p. | ||
| 440 | _aBulletin 21 / Portland Cement Association | ||
| 690 | _aYeso - Efecto - Contracción del concreto. | ||
| 999 |
_c58544 _d58544 |
||