000			00433 a2200169 4500
020			_a8174762132
041			_aEn
082			_a624 _bDUT
100			_aDutta , B. N.
245			_aEstimating and costing in civil engineering _btheory and practice
250			_a24th ed.
260			_c1998 _aNew Delhi _bUBS Publishers _g1998
300			_c24 cm. _axiii,904 p.
650			_aCIVIL ENGINEERING
650			_aENGINEERING
942			_cSR
999			_c21508 _d23055