000 00301nam a2200133Ia 4500
001 5104
008 150525s9999 xx 000 0 und d
020 _a0 333 30512 4
100 _aOberman R
245 _aCounting And Counters
250 _a0
260 _aLondon
_bMacmillan
_c1981
300 _a,;ill.
999 _c34915
_d34915