00283nam a2200109Ia 4500008004100000041000800041100001600049245003800065260003400103650001500137999002100152240109s9999    xx            000 0 und d  aeng  aM.R.Spiegal  aTheory and Problems of Statistics  bMcGraw Hill Book Co. Londan.   aManagement  c1020367d1020367