Bion, W.R.Experiences in Groups. Tavistock FublicationsLondon1961.
2.
(a) Horwitz, L. "Training Groups for Psychiatric Residents ." Int.J.Group Psychotherapyxvii. N.Y. 4 Oct. 1967. 421-435.
3.
(b) Whitman, R.M. "Psychodynamic Principles Underlying T-Group Processes" in L P Bradford, J R Gibb & K D Benne (eds.) T-Group Theory and Laboratory Method. John Wiley & Sons Inc. N.Y.1964. 310-334.
4.
Foulkes, S.H.Therapeutic Group Analysis. George Allen & Unwin, London1964. 40, 75-6, 108-109, 126, 292 and passim.