000			00343nam a22001457a 4500
003			OSt
020			_aNA
040			_c0
082			_222 _a692.5
100			_aDutt, B. N and Dutt, S.
245			_aEstimating and costing in civil engineering /
260			_bUBS Publishers Distributors, _cc2004.
300			_a0 _bill. ;
942			_2ddc _cCIVIL _02
999			_c4459 _d4459