000 00441nam a2200121 a 4500
005 20220228110719.0
035 _aF8901000715662
084 _aPCA IS 176 01 T 1971
245 _aHigh-strength concrete. part I: materils / Portland Cement -Association.
260 _aSkokie, Illinois. : Portland Cement Association.
300 _a19 p.
690 _aConcreto de Alta Resistencia-Caracteristicas-Descripcion.Concreto de Alta Resistencia - Pruebas.
999 _c62561
_d62561