RT Book T1 Systems of psychotherapy: an empirical analysis of theoretical models A1 Gutsch, Kenneth U. A2 Sisemore, David A. A2 Williams, Richard L. LA English PP Springfield, Ill. PB Thomas YR 1984 UL https://krimdok.uni-tuebingen.de/Record/1615686428 CN 616.89/14 SN 039804922X K1 Psychotherapie