RT Book T1 Practical drug enforcement: procedures and administration T2 Elsevier series in practical aspects of criminal and forensic investigations A1 Lyman, Michael D. 1950- LA English PP New York u.a. PB Elsevier YR 1989 UL https://krimdok.uni-tuebingen.de/Record/015995003 NO Includes index CN HV8079.N3 SN 0444014551 K1 Drug traffic : Investigation : United States K1 Criminal Investigation : United States K1 Undercover operations : United States K1 Drug enforcement agents : United States