00290nam a2200109Ia 4500008004100000041000800041100001900049245004000068260003600108650001500144999002100159240109s9999    xx            000 0 und d  aeng  aDavid S.Huang.  aRegression and Econometrics Method.  bJohn Wiley and Sons New  York.   aManagement  c1020105d1020105