000 00455nam a2200133 a 4500
005 20220228110728.0
035 _aF8901000716376
084 _aPCA EB067 O1E 1970
245 _aDurability of concrete ridge decks: a cooperative study / -Portland Cement Association.
260 _aChicago, Ill. : PCA
300 _a35 p.
440 _aFinal report; EB 067.01E / Portland Cement Association
690 _aCubierta (puentes de concreto) - durabilidad - estudio.
999 _c63139
_d63139