000 00314nam a2200133Ia 4500
008 220201s1975 xx 000 0 eng d
082 _a624
_bKRI
100 _aKrishnaswamy K T Etc
245 0 _aConcrete technology
250 _a2
260 _aDelhi
_bDhanpat Rai and sons
_c1975
300 _a288
942 _2ddc
999 _c22812
_d22812