RT Book T1 Modern security & loss prevention management A1 Purpura, Philip P. 1950- LA English PP Boston u.a. PB Butterworths YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1647761980 CN HV8290 SN 0409900362 K1 Industries : Security measures : Management K1 White collar crimes : Prevention K1 Private security services