1. Blackburn, T. R. Sensuous-intellectual complementarily in science. Science, 1971, 172, 1003–1007.
2. Bohr, N. Atomic physics and human knowledge. London: Chapman and Hall, 1958.
3. Gill, M. et al., Studies in audio-recorded psychoanalysis, 1, General Considerations, Journal of the American Psychoanalytic Association, 1968, 16, 230–244.
4. Glaser, G. B., 0026 Strauss, E. The discovery of grounded theory: Strategies for qualitative research. Chicago: Aldine, 1967.
5. Kaplan, A. The conduct of inquiry. San Francisco: Chandler, 1964.