000 00267nam a2200109Ia 4500
008 170912s9999 xx 000 0 und d
082 _a A G/M
100 _aA GROUP OF AUTHORS
245 0 _aMATHEMATICS
260 _bNATIONAL COUNCIL OF EDUCATION-
_c1994
942 _cTB
999 _c29973
_d29973