00298nam a2200109Ia 450000500170000000800410001708200140005810000180007224500450009026000450013530000080018020260224041014.0260224s9999||||xx |||||||||||||| ||und||  a311.2 FIS  aFisher, R.A.  0aStatistical methods for research workers  aNew York: Macmillan Publishers Co.c1970  a362