000 00330nam a2200145Ia 4500
008 180626s9999 xx 000 0 und d
082 _a512.92 H947f 1982
100 _aHurt, Roger
245 0 _aFun with subtraction
260 _aU.K.
260 _bLadybird Books
260 _cc1982
300 _a51 p
650 _aSubtraction
999 _c47834
_d47834