The foundations of science and the concepts of psychology and psychoanalysis. Minnesota studies in the philosophy of science, Volume 1 (1956), page 38-76
Minnesota studies in the philosophy of science;
The methodological character of theoretical concepts.
University of Minnesota Press, Minneapolis.
Retrieved from the University of Minnesota Digital Conservancy,
Content distributed via the University of Minnesota's Digital Conservancy may be subject to additional license and use restrictions applied by the depositor.