00345nam a2200121Ia 4500008004100000082001300041100002000054245005900074260004200133300001500175600001800190650001500208140224s9999 xx 000 0 und d a311.1 J6 aSiegel, Sydnes. aNon parametric statistics for the behavioural science. aTokyobMc Graw-Hill Kogakushacc 1956 axvii,312p. aSydnes Siegel aStatistics