00349nam a2200133Ia 4500008004100000082001500041100002300056245003100079250001200110260004200122300001200164600002200176650001700198140224s9999    xx            000 0 und d  a330.115 L4  aKlein, Lawrence R.  aA textbook of econometrics  a2nd ed.  aEnglewood CliffsbPrentice-hallc1974  ax,436p.  aLawrence R. Klein  aEconometrics