000 00296nam a2200133Ia 4500
001 5134
008 150525s9999 xx 000 0 und d
020 _a0 273 01898 1
100 _aOgden Harry
245 _aWorkshop Numeracy
250 _a0
260 _aLondon
_bPitman
_c1984
300 _a,;ill.
999 _c34967
_d34967