000 00276nam a2200121Ia 4500
100 _aCharaya JS
245 2 _aText Book of Estimating and Costing: Mechanical
250 _a4
260 _c1987
_bSATYAPRAKASAN
_aNew delhi
300 _a256
700 _aNarang GS
942 _cBK
999 _c11359
_d11359