00751nam0-22002531i-450-990001148220403321000114822FED01000114822(Aleph)000114822FED0100011482220000920d1986----km-y0itay50------baengScientific ProgressA Study Concerning the Nature of the Relation between Successive Scientific Theoriesby DilworthDordrecht [etc.]Reidel1986Synthese Library153Dilworth,Craig53088ITUNINARICAUNIMARCBK990001148220403321C-25-(1535554MA1MA1Scientific Progress344515UNINAING01