000 00266nam a2200121Ia 4500
001 1957
008 170420s9999 xx 000 0 und d
020 _a9780739892121
100 1 _aRobert Abbott
245 1 0 _aMastering Math Level A
260 _bHarcourt
942 _cAP
999 _c9083
_d9083