000 00321nam a2200121 a 4500
005 20220228110719.0
035 _aF8901000715646
084 _aPCA ST 66 1968
245 _aDesign of deep girders / Portland Cement Association.
260 _aChicago, Illinois : PCA
300 _a10 p.
690 _aVigas Profundas - DiseƱo.
999 _c62546
_d62546