000 00323nam a2200145Ia 4500
001 3456
008 230311s9999 xx 000 0 und d
100 _aSmoothey, Marion
245 0 _aLet's Investigate Graphs
260 _aUSA
260 _bMarshall Cavendish Corporation
260 _c1995
300 _a64
942 _cBK
999 _c6973
_d6973