Slavson, S.R.: "General principles and dynamics," in Slavson, S. R. (editor), The Practice of Group Therapy. New York: International University Press, 1947, p. 23.
2.
Slavson, S.R. : "Criteria for selecting and rejecting of patients for various types of group psychotherapy." International Journal of Group Psychotherapy, 1955, 5, 6-8.
3.
Ibid, p. 21.
4.
Ibid., pp. 3-30.
5.
Wolberg, L.R.: The Technique of Psychotherapy. New York: Grune and Stratton, 1954, p. 570.
6.
Wolf, Alexander: "The psychoanalysis of groups," in Group Therapy Brochure No. 36. New York: American Group Therapy Association.