RT Article T1 Ethical and legal aspects of clinical supervision JF Professional psychology VO 21 IS 1 SP 37 OP 41 A1 Harrar, William R. A2 VandeCreek, Leon A2 Knapp, Samuel LA English YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1633456684 K1 Klinische Psychologie