000 00288nam a2200121Ia 4500
100 _aAmarjit Aggarwal
245 _aCivil Estimating, Costing and Valuation
250 _a4
260 _c1987
_bKATSON PUB: HOUSE
_aDelhi
300 _a453+15
700 _aKumar S
_aChoudhry RC
942 _cBK
999 _c17322
_d17322