000			00391nam a2200169Ia 4500
999			_c7713 _d7713
003			OSt
005			20190922024844.0
008			160630s9999 xx 000 0 und d
020			_a9788174767707
040			_cnmit
100			_aDutta, B N
245			_aEstimating and Costing in Civil Engineering
260			_aDelhi _bUBSPD _c2013
300			_a917
942			_cBBK _2ddc