00921nam0-22002891i-450-990001006710403321000100671FED01000100671(Aleph)000100671FED0100010067120000920d1952----km-y0itay50------baengFundamentals of Concepts Formation in Empirical Scienceby Carl G. HempelChicago [etc.]University of Chicago Press1952iii, 93 p.25 cmInternational Encyclopedia of Unified Science7Fondamenti delle scienze fisiche e naturali501Hempel,Carl Gustav<1905-1997>259863ITUNINARICAUNIMARCBK9900010067104033214-016578 F.T.FI1FI1Fundamentals of Concepts Formation in Empirical Science354861UNINAING01