000 00418nam a2200145 a 4500
005 20220228110621.0
035 _aF8901000708676
084 _aPCA BUL 196 1966
100 _aPowers, T. C.
245 _anature of concrete / by T. C. Powers.
260 _aSkokie, Illinois : atories
300 _a[12] p.
440 _aBulletin 196 / Portland Cement Association
690 _aConcreto - Naturaleza química - Análisis.
999 _c58739
_d58739