00295nam a2200121Ia 4500008004100000082001300041100001600054245002600070260004100096300001200137942000700149999001700156190709s9999    xx            000 0 und d  a501 C17P  aCaws, Peter 0aPhilosophy of science  aCanadabD van nostrand companyc1965  axii,354  cBK  c41079d41079