000			00648nam a2200169 a 4500
005			20220228110620.0
035			_aF8901000708655
084			_aPCA BUL 185 1964
100			_aSeligmann, Paul.
245			_aStudies of early hydration reactions of portland cment by X--ray diffraction / by Paul Seligmann and Nathan R. Greenin-g.
260			_aSkokie, Illinois : atories
300			_a[28] p.
440			_aBulletin 185 / Portland Cement Association
500			_a"Authorized reprint from Highway Research Record, Number 62-, pp. 80-105 (1964)".
690			_aCemento portland - Hidratación - Estudios.
700			_aGreening, Nathan, R., coaut.
999			_c58728 _d58728