000
00280nam a2200109Ia 4500
008
220201s9999 xx 000 0 eng d
100
_a
DAY (KEN W)
245
0
_a
CONCRETE MIX DESIGN, QUALITY CONTROL & SPECIFICATION
250
_a
4TH
260
_b
CRC PRESS NEW YORK
942
_2
ddc
999
_c
99686
_d
99686