RT Article T1 A new classification of narcotic addicts based on type and extent of criminal activity JF Comprehensive psychiatry VO 25 IS 3 SP 315 OP 328 A1 Shaffer, John W. A2 Kinlock, Timothy W. A2 Nurco, David N. LA English YR 1984 UL https://krimdok.uni-tuebingen.de/Record/1912635577 DO 10.1016/0010-440X(84)90064-6