| 000 | 00634nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110619.0 | ||
| 035 | _aF8901000708491 | ||
| 084 | _aPCA BUL 79 1956 | ||
| 245 | _aSome aspects of testing for frost resistance....... | ||
| 260 | _aChicago, Illinois : atories. | ||
| 300 | _a10 p. | ||
| 440 | _aBulletin; 79 / Portland Cement Association. | ||
| 500 | _a"Comprised of two papers: Non-destructive tests for deterio-ration of concrete specimens subjected to frost action / by- George J. Verbeck.-- Notes on the effect of maximum size o-f aggregate on tests for frost resistance / by Paul Klieger | ||
| 690 | _aConcreto - Pruebas. | ||
| 999 |
_c58622 _d58622 |
||