000 00306nam a2200109Ia 4500
008 220201s1993 xx 000 0 eng d
100 _aKHANNA, O P
245 0 _aTEXT BOOK OF MECHANICAL ESTIMATING AND COSTING
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1993
300 _a334
942 _2ddc
999 _c60317
_d60317