000 00259nam a2200097Ia 4500
008 220310s9999||||xx |||||||||||||| ||und||
100 _aWALKER, HELEN M
_93444
245 0 _aMATHEMATICS ESSENTIAL FOR ELEMENTARY STATISTICS
650 _aSTATISTICS
_9461
942 _cBK
999 _c4413
_d4413