Bales, R.F. (1950) Interaction Process Analysis. Cambridge, Mass.: Addison-Wesley.
2.
Becker, H., B. Greer, E. Hughes, and A. Strauss (1961) Boys in White. Chicago: Chicago Univ. Press.
3.
Eron, L.D. (1955) "Effect of medical education on medical students ." J. of Medical Education10.
4.
Merton, R., G. Reader, and P. Kendall [eds.] (1957) The Student Physician. Cambridge, Mass.: Harvard Univ. Press.
5.
Whitman, R.M. (1964) "Psychodynamic principles underlying T-group processes ," in L. Bradford, J. Gibb, and K. Benne (eds.) T-Group Theory and Laboratory Method. New York: John Wiley.