000 00293nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
100 _aSINGH, C K
245 0 _aMECHANICAL COSTING AND ESTIMATION
260 _aDELHI
_bSTANDARD PUB
_c1980
300 _a266
700 _aKHAN, M.I
942 _2ddc
999 _c60087
_d60087