000
00302nam a2200121Ia 4500
008
220201s1984 xx 000 0 eng d
082
_a
624.18
_b
AGG
100
_a
Aggarwal etc.
245
0
_a
T.B of civil engineering materials
260
_b
India publishing House
_c
1984
300
_a
329
942
_2
ddc
999
_c
83487
_d
83487