00278nam a2200133Ia 4500003000400000005001700004008004100021040000700062041000800069082001700077100001700094245002400111260000900135OSt20230228163729.0210719s1995    xx            000 0 und d  cAL  aeng  a311/118 GUPS  aGUPTA ( S P)  aStatistical methods  c1995