Grünbaum, Adolf2017-03-222017-03-221983Testing scientific theories. Minnesota studies in the philosophy of science, Volume 10 (1983), page 315-347https://hdl.handle.net/11299/1853421 online resource (PDF, page 315-347)enRetrospective Versus Prospective Testing of Aetiological Hypotheses in Freudian TheoryArticle