000			00371nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a621 _bCH-E
100			_aChakraborti M
245		0	_aEstimating ,costing specification and valuation
250			_a10th Ed.
260			_c1990 _aNew Delhi _bM.CHAKRABORTI
650			_aCivil Engineering
942			_cBK
999			_c1187 _d1187