000 00425pam a2200133a 44500
082 _aRL
_bPCA BULL-40
100 _aKlieger,Paul
245 1 _aSTUDIES OF THE EFFECT OF ENTRAINED AIR ON THE STRENGTH AND DURABILITY OF CONCRETES MADE WITH VARIOUS MAXIMUM SIZES OF AGGREGATE
260 _a
_bAstm, Philadelphia
_c1952
300 _a25
500 _aBound With Rl Pca Bull-31-39,41-50
964 _gCIRC
997 _aTR14718 C
999 _c400320
_d400320