RT Article T1 The psychologist as an expert witness in civil and criminal litigation JF Canadian psychology VO 28 IS 3 SP 274 OP 279 A1 Evans, David R. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1630283134 K1 Zeugen K1 Experten K1 Psychologen K1 Zeugenaussage K1 Forensische Psychologie