00437nam a2200145Ia 4500008004100000020001500041041000800056082001300064100002100077245009700098250000600195260004700201300000800248650003500256210716s1977    xx            000 0 und d  a0226076180  aeng  a128 BROH  aBrown, Harold I.  aPerception theory and commitment: the new philosophy of science.bNew philosophy of science.  a1  aChicagobUniversity of Chicago Pressc1977  a203  aPhilosophy and psychology(100)