000 00339nam a2200145Ia 4500
008 180626s9999 xx 000 0 und d
082 _a513.2 H49c 1991
100 _aHewavisenti, Lakshmi
245 0 _aCounting
260 _aLondon
260 _bGloucester Press
260 _cc1991
300 _a32 p
650 _aArithmetic operations
999 _c47842
_d47842