000			00353nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a624 _bDU-E
100			_aDutta,B.N
245		0	_aEstimating and costing of Civil Engineering
250			_a1st
260			_c1989 _aLucknow _bS.Dutta & Co
650			_aCivil Engineering
942			_cBK
999			_c831 _d831