RT Article T1 From morals to practice: dilemmas of control in undercover policing JF Crime, law and social change VO 18 IS 1/2 SP 137 OP 158 A1 Wachtel, Julius LA English YR 1992 UL https://krimdok.uni-tuebingen.de/Record/188446324X NO Literaturverzeichnis: Seite 157-158 K1 International Relation DO 10.1007/BF00230628