000			00436pam a2200145a 44500
082			_aRL _bPCA BULL-39
100			_aGonnerman,H F
245	1		_aCHANGES IN CHARACTERISTICS OF PORTLAND CEMENT AS EXHIBITED BY LABORATORY TESTS OVER THE PERIOD 1904 TO 1950
260			_a _bAstm, Philadelphia _c1952
300			_a56
500			_aBound With Rl Pca Bull-31-38,40-50
700			_aLerch,William
964			_gCIRC
997			_aTR14717 C
999			_c400319 _d400319