000 | 00518nam a2200145 a 4500 | ||
---|---|---|---|
005 | 20220228110528.0 | ||
035 | _aF8901000703732 | ||
084 | _aHRB REC 226 1968 | ||
245 | _aConcrete admixtures, aggregates and durability, 6 reports /- Highway Research Board. | ||
260 | _aWashington, D.C. : HRB | ||
300 | _a68 p. | ||
440 | _aRecord ; 226 / Highway Research Board | ||
690 | _aConcreto - Agregados.Concreto - Propiedades.Concreto - Pruebas. | ||
710 | _aE.U.A. National Research Council. Highway Research Board. | ||
999 |
_c55269 _d55269 |