BirkL.: Intensive group therapy: An effective behavioural — psychoanalytical method.Am J Psychiatry, 131: 11–16, 1974.
2.
GelderM.G., MarksL.M., WolffH.H.: Desensitisation and psychotherapy in the treatment of phobic states: A controlled enquiry.Br J Psychiatry, 113: 53–81, 1967.
3.
MarksI.M.: Phobic disorders four years after treatment: A prospective follow up.Br J Psychiatry, 118: 69–73, 1971.
4.
MarksI.M., ConnollyJ., HallamR.S.: Psychiatric nurse as therapist.Br Med J, 3: 156–160, 1973.
5.
WolpeJ.: Psychotherapy by Reciprocal InhibitionStanford: Stanford University Press, 1968.
6.
WolpeJ., BradyJ.P., SerberM., Agras, StewartW., LibermanR.P.: Current Status of Systematic Desensitization.Am J Psychiatry, 130: 961–65, 1973.