000 00292nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a625.700312
100 _aDutta B N
245 0 _aEstimating and costing in civil enginerring
250 _a25
260 _bUbs Publishers
_c2003
942 _cBK
999 _c941
_d941