000 00355nam a2200121Ia 4500
008 240531s9999 xx 000 0 und d
020 _aCMBRIDGE DIRECT MATHEMATICS
082 _aJ510 76 CAL
100 _aNULL
245 0 _aCambridge Direct Mathematics calculations 4 calculations 5
260 _aCambridge cambridge uniersity press 2000
942 _cJNF
999 _c316832
_d316832