RT Book T1 The theory and practice of group psychotherapy A1 Yalom, Irvin D. 1931- LA English PP New York u.a. PB Basic Books YR 1970 UL https://krimdok.uni-tuebingen.de/Record/230666647 CN 616.89/15 SN 0465084451 K1 Psychotherapy K1 Psychotherapy, Group K1 Gruppentherapie