000 00379 a2200133 4500
020 _a0870311328
082 _a624.1834
_bAM35I
245 1 _aIN-PLACE METHODS TO ESTIMATE CONCRETE STRENGTH
_cREPORTED BY ACI COMMITTEE 228 (ACI 228.1R-03)
260 _a
_bAmerican Concrete Institute,Detriot
_c2004
300 _a44
650 _aConcrete
964 _gCIRC
997 _aA152589 W
999 _c468455
_d468455