RT Article T1 Armed Americans: the impact of firearm availability on national homicide rates JF Justice quarterly VO 18 IS 3 SP 569 OP 592 A1 Hoskin, Anthony W. LA English YR 2001 UL https://krimdok.uni-tuebingen.de/Record/163963388X K1 USA K1 Tötungsdelikte K1 Schusswaffenbesitz