000 00313nam a2200121Ia 4500
999 _c20297
_d20297
020 _a818530436X
100 _aChakraborti M
245 _aEstimating, Costing, Specification and Valuation in Civil Engineering
250 _a11
260 _c1992
_bPUBLISHED BY AUTHOR
_aCalcutta
300 _aviii+824
942 _cBB