000 00347nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a624.028
_bSIN
100 _aSingh, Jagjit
245 _aEstimating and costing in civil engineering :, quantity surveying,specification,costing and valuation
260 _bGolgatia Publications
_aNew Delhi
_c1996
999 _c135591
_d135591