RT Article T1 An economic analysis of guns, crime, and gun control JF Journal of criminal justice VO 27 IS 1 SP 11 OP 19 A1 McDonald, John F. LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639671447 K1 Waffenbesitz K1 Selbstverteidigung K1 USA