00290nam a2200109Ia 450000500170000000800410001708200140005810000220007224500360009426000420013030000080017220260224041014.0260224s9999||||xx |||||||||||||| ||und||  a311.4 FIS  aFisher, R.A. Sir. 0aStatistical tables and formulas  aEngland : Longman Group Limitedc1963  a146