000 00288nam a2200121Ia 4500
008 220201s1982 xx 000 0 eng d
082 _a624.1042
_bCHA
100 _aChakraborti, M
245 0 _aEstimating costing & specification
260 _bAruth
_c1982
300 _a708
942 _2ddc
999 _c82190
_d82190