000 00285nam a2200121Ia 4500
001 8116
008 150525s9999 xx 000 0 und d
020 _a0-03-062397-9
100 _aBarker Jack
245 _aArithmetic
250 _a3
260 _aLondon
_bSaunders College Publishi
_c1982
999 _c39984
_d39984