000 00470nam a2200145 a 4500
005 20220228110620.0
035 _aF8901000708599
084 _aPCA BUL 156 1960
100 _aHelmuth, R. A.
245 _aCapillary size restrictions on ice formation in hardened po-rtland cement pastes / by R. A. Helmuth.
260 _aSkokie, Illinois : atories
300 _a[16] p.
440 _aBulletin 156 / Portland Cement Association
690 _aCemento portland - Capilaridad.
999 _c58699
_d58699