000 00270nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aAGGARWAL A
245 0 _aCIVIL ESTIMATING AND COSTING
260 _aDELHI
_bS K KATARIA AND SONS
_c1997
300 _a501
942 _2ddc
999 _c91954
_d91954