RT Article T1 The private security industry in international perspective JF European journal on criminal policy and research VO 7 IS 2 SP 143 OP 164 A1 Waard, Jaap de LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639532536 K1 Internationaler Vergleich K1 Sicherheitsindustrie K1 Europäische Union