00349nam a2200157Ia 4500008004100000020000900041035001000050082001300060100001300073245005300086250000600139260001600145300000800161500000600169650001600175210723s9999||||xx |||||||||||||| ||und||  aNULL  a31929  a510BI.C  aI.c.w.a. 0aElementary Mathematics And Elementary Statistics  a-  aCalcuttab-  a452  a0  aMathematics