TY - JOUR A1 - Selvini-Palazzoli, Mara T1 - Why a Long Interval between Sessions? The Therapeutic Control of the Family-Therapist Suprasystem JF - Andolfi and Zwerling (Eds.): Dimensions of Family Therapy, New York (Guilford) 1980. Y1 - 1980 N1 - Ex libris Marco Bacciagaluppi ER -