000			00326nam a2200145Ia 4500
008			220105s9999 xx 000 0 und d
041			_aENGLISH
082			_a620.02
100			_a"Dutta, B. N."
245		0	_aEstimating and Costing in Civil Engineering
250			_n23
260			_bUbs
365			_b375
942			_cBK
999			_c204348 _d204348