000 00295nam a2200121Ia 4500
008 220201s1984 xx 000 0 eng d
082 _a621
_bBAN
100 _aBanga,TR&Sharma,HC
245 0 _aMechanical estimating & costing
260 _bKhanna publisher
_c1984
300 _a230
942 _2ddc
999 _c83220
_d83220