RT Article T1 Measuring civilian defensive firearm use: a methodological experiment JF Journal of quantitative criminology VO 16 IS 1 SP 1 OP 19 A1 McDowall, David 1949- A1 Loftin, Colin A1 Presser, Stanley LA English YR 2000 UL https://krimdok.uni-tuebingen.de/Record/1639723137 K1 Schusswaffengebrauch K1 Verteidigung K1 USA