000
00296nam a2200109Ia 4500
008
220201s1972 xx 000 0 eng d
100
_a
IRC : 44-1971
245
0
_a
TENTATIVE GUIDELINES FOR CEMENT CONCRETE MIX DESIGN
260
_a
DELHI
_b
INDIAN ROAD CONGRESS
_c
1972
300
_a
203
942
_2
ddc
999
_c
89282
_d
89282