000 00290nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
082 _a624.1834
_bAGG
100 _aAggarwal, Ohri, Dhall
245 0 _aConcrete technology
260 _bIndia Publishing
_c1980
300 _a43
942 _2ddc
999 _c81874
_d81874