00260nam a2200109Ia 4500008004100000082001500041100001100056245002800067250001100095260003600106300000800142190710s9999    xx            000 0 und d  a519.9 R212  aRay, M 0aMathematical statistics  a5th ed  aAgrabRam Prasad and Sonsc1974  a443