000			00310nam a2200097Ia 4500
008			150310s9999 xx 000 0 und d
100			_aCHAKRABORTI M
245			_a"ESTIMATING,COSTING,SPECIFICATION AND VALUATION IN CIVIL ENGINEERING"
250			_a11
260			_c1992 _b"BY AUTHOR, 21,B,BHABANANDE ROAD, CALCUTTA"
999			_c20732 _d20732