00482nam a2200157Ia 4500003000900000008004100009040001600050080001300066100001900079245015200098250001200250260001900262300001500281650001300296650001500309IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a624bCHA  aChakraborti, M 0aEstimating, costing and specification in civil engineeringbprinciple and applicationcM. Chakraborti                                                a6th ed.  aCalcuttac1979  axiv, 604p.  aContract  aEstimating