PakCat catalogue record Objective Knowledge: An Evolutionary Approach An evolutionary Approach By popper.r, karl Bibliographic details ISBN0198750242 PublisherClarendon Press Publication placeunited ststes new york Publication year1979 Edition0 LanguageEnglish Material typeBook Physical description189p.;20cm Additional authorskarl r.popper SubjectsEpistemology and Theory of Knowledge