000 00283nam a2200121Ia 4500
001 8562
008 150525s9999 xx 000 0 und d
020 _a0 247 12936 4
100 _aMay Brian
245 _aCse Arithmetic Examples
250 _a0
260 _aFrogmore
_bHart-Davies
_c1979
999 _c40461
_d40461