000
00291nam a2200121Ia 4500
008
220201s1990 xx 000 0 eng d
100
_a
SP 23 1982
245
0
_a
HANDBOOK ON CONCRETE MIXES
250
_a
1
260
_a
DELHI
_b
BUREAU OF INDIAN STANDARD
_c
1990
300
_a
144
942
_2
ddc
999
_c
93910
_d
93910