1. Anderson, N. H., Linder, R., & Lopes, L. L. (1973). Integration theory applied to judgements of group attractiveness.Journal of Personality and Social Psychology, 26, 400?408.
2. Bach, G. R. (1954).Intensive group psychotherapy. New York: Ronald.
3. Beck, A. P. (1974). Phases in the development of structure in therapy and encounter groups. In D. Wexler & L. N. Rice (Eds.),Innovations in client-centered therapy. New York: Wiley Interscience.
4. Bednar, R. L., & Battersby, C. P. (1976). The effects of specific cognitive structure on early group development.Journal of Applied Behavioral Science, 12, 513?522.
5. Bednar, R. L., & Kaul, T. J. (1978). Experiential group research: Current perspectives. In S. L. Garfield & A. E. Bergin (Eds.),Handbook of psychotherapy and behavior change: An empirical analysis (2nd ed.). New York: Wiley.