000 00462nam a2200133 a 4500
005 20220228110620.0
035 _aF8901000708545
084 _aPCA BUL 128 1960
245 _aX-ray diffraction investigation of hydrated portland cement- pastes / by D. L. Kantro, L. E., Copeland and Elaine R. A-nderson.
260 _aSkokie, Illinois : atories
300 _a[20] p.
440 _aBulletin 128 / Portland Cement Association
690 _aCemento portland - Pruebas.
999 _c58671
_d58671