Objective knowledge : an evolutionary approach / Karl R. Popper. Popper, Karl R. (Karl Raimund), 1902-1994. Knowledge, Theory of. Induction (Logic) BD161 .P727 1979 121 P8310 Includes bibliographies and indexes. Oxford [Eng.] : Clarendon Press ; New York : Oxford University Press, 1979. 1979. 1979 Text x, 395 p. ; http://www.loc.gov/catdir/enhancements/fy0603/79318586-d.html eng