000 00370nam a2200121 a 4500
005 20220228110624.0
035 _aF8901000708989
084 _aPCA T19-2 1956
245 _aReinforced concrete floor systems / Portland Cement Associa-tion.
260 _aChicago, Illinois : Portland Cement Association
300 _a19 p.
690 _aPisos de concreto - DiseƱo - Detalles.
999 _c58922
_d58922