000			00382nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a624 _bDU-E
100			_aDutta,B.N
245		0	_aEstimating and costing in Civil Engineering
250			_a23th
260			_c1991 _aNew Delhi _bUBS Publishers and Distributors Pvt.Ltd.
650			_aCivil Engineering
942			_cBK
999			_c80 _d80