000 00319nam a2200121Ia 4500
008 211209s1966 xx 000 0 und d
041 _aeng
082 _aEDW
100 _aEDWIN E M
245 _aNUMBER SYSTEMS OF ELEMENTARY MATHEMATICS
260 _aNEW DELHI
_bADDISON-WESLEY PUBLISHING COMPANY
_c1966
300 _a254
999 _c21486
_d21486