| 000 | 00550nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110533.0 | ||
| 035 | _aF8901000704126 | ||
| 084 | _aHRB SR 119 1971 | ||
| 245 | _aAdmixtures in concrete : Accelerators, air entrainers, wate-r reducers, retarders pozzolans / Highway Research Board. | ||
| 260 | _aWashington, D.C. : HRB | ||
| 300 | _a32 p. | ||
| 440 | _aSpecial report ; 119 / Highway Research Board | ||
| 690 | _aConcreto - Incorporación de aire.Concreto - Agregados. | ||
| 710 | _aE.U.A. National Research Council. Highway Research Board. | ||
| 999 |
_c55625 _d55625 |
||