RT Article T1 Will open borders result in more crime? JF European journal on criminal policy and research VO 1 IS 3 SP 7 OP 9 A1 Killias, Martin 1948- LA English YR 1993 UL https://krimdok.uni-tuebingen.de/Record/1640357122 K1 Grenzüberschreitende Kriminalität