000 00287nam a2200121Ia 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
300 _a550
942 _cTB
999 _c29885
_d29885