000 00286nam a2200121Ia 4500
008 220201s1980 xx 000 0 eng d
082 _a621
_bBAN
100 _aBanga, TR
245 0 _aMechanical estimating & costing
260 _bKhanna Publisher
_c1980
300 _a208
942 _2ddc
999 _c81390
_d81390