| 000 | 00490nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110521.0 | ||
| 035 | _aF8901000703140 | ||
| 084 | _aHRB BUL 284 1961 | ||
| 245 | _aFly ash in concrete: an evaluation / Highway Research Board-. | ||
| 260 | _aWashington, D.C. : HRB | ||
| 300 | _a138 p. | ||
| 440 | _aBulletin ; 284 / Highway Research Board | ||
| 690 | _aCenizas finas - Utilización - Concreto - Evaluación. | ||
| 710 | _aNational Research Council. Highway Research Board (E.U.A.) | ||
| 999 |
_c54811 _d54811 |
||