000			00554nam a2200217Ia 4500
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020			_c36
040			_aMAIN
041			_aEnglish
082			_a624 _bCHA
100			_aChakraborty, M.
245		0	_aEstimating, costing and specification in civil engineering
250			_a6th ed.
260			_aCalcutta _b; M. Chakraborty _c, 1979
300			_axiv,604p.
650			_aCivil Engineering
650			_aEngineering
650			_aEstimating & Costing
942			_cBK
999			_c116794 _d116794