Peavy, V. Gurman, A.S., & Kniskern, D.P. Research on Marital and Family Therapy: Progress, Perspective and Prospect. In S. Garfield & A. Bergin (Eds.), (1978). <i>Handbook of Psychotherapy and Behavior Change</i> (2nd ed.); Hayim, G.J. (1980). <I>The Existential So. CJCP 2012, 17.