000			00369nam a2200169Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78817E+12
082			_aNew
082			_bBook 3
100			_aDutta B.N.
245		0	_aEstimating and Costing I
250			_aTwenty Sixth
260			_aNew Delhi
260			_bUBS
260			_c2007
300			_aXIII- 904
999			_c20460 _d20460