000 00312nam a2200133Ia 4500
008 220201s1993 xx 000 0 eng d
082 _a624.1042
_bDUT
100 _aDutta, BN
245 0 _aEstimating costing in Civil engg
250 _a23
260 _bNew Delhi : UBSPB
_c1993
300 _a904
942 _2ddc
999 _c85608
_d85608