RT Article T1 Brokerage qualifications in ringing operations JF Criminology VO 46 IS 1 SP 71 OP 98 A1 Morselli, Carlo A1 Roy, Julie LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/162194624X K1 Illegaler Handel K1 Kriminelle Organisation K1 Struktur K1 Netzwerkanalyse