000 00255nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a692.5 D979
100 _aDUTTA,B.N
245 0 _aESTIMATING AND COSTING
260 _aLUCKNOW
_bS.DUTTA
942 _cBB
_2DDC
999 _c6026
_d6026