00321nam a2200109Ia 4500008004100000040003800041100001900079245003800098260004300136300001700179653001500196211214s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aChurchman, C W 0aTheory of experimental inference.  bTHE MACMILLAN COMPANY.aNEW YORKc1948  axi, 289 p p.  aPHILOSOPHY