00389nam a2200145Ia 4500008004100000020001800041041000800059082001800067100005200085245002400137250001700161260004500178300001200223365000800235231011s1989    xx            000 0 und d  a9780813815602  aeng  a519.5 GEO/WIL  aGeorge Waddel Snedecor, William Gemmell Cochran  aStatistical Methods  a8th Ed. 1989  aDelhi.bAffiliated East West Pressc1989  axy, 503  b600