000 00334nam a2200121Ia 4500
999 _c32614
_d32614
020 _a9788174763839
100 _a Dutta B N
245 _aEstimating and Costing in Civil Engineering Theory and Practice Including Specifications and Valuation
250 _a25
260 _c2007
_bUBSPD
_aNew Delhi
300 _axiii+904
942 _cBB