Popper, K. R. 1., & Keuth, H. (1998). Logik der forschung. Berlin: Akademie.
Chicago Style CitationPopper, Karl R. 1902-1994, and Herbert Keuth. Logik Der Forschung. Berlin: Akademie, 1998.
MLA CitationPopper, Karl R. 1902-1994, and Herbert Keuth. Logik Der Forschung. Berlin: Akademie, 1998.
Warning: These citations may not always be 100% accurate.