Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Karl Popper. The logic of scientific discovery. Harper torchbooks. Harper & Row, New York and Evanston1968, 480 pp.-Karl Popper. Addendum, 1964. Therein, p. 358.-Karl Popper. Addendum, 1967. Therein, p. 362.-Karl Popper. Addendum, 1967. Therein, p. 386.-Karl Popper. Addendum, 1968. Therein, p. 441.