000 00460nam a2200193Ia 4500
008 210210b1937 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a387/11
100 _aOSBORNE (R S)
245 _aCommercial calculations Part I
260 _aLondon
_bSir Isaac Pitman & Sons Ltd.,
_c1937
300 _aviii,422
650 _aPart
650 _aI
650 _aCommercial
650 _acalculations
690 _aArithmetics
906 _a005655
999 _c125690
_d125690