000 00248nam a2200097Ia 4500
008 230508s2000 xx 000 0 und d
041 _aeng
100 _aDATTA B.N.
245 _aESTIMATING AND COSTING IN CIVIL ENGG.24TH ED
260 _bVBS PUB
_c2000
999 _c314584
_d314584