RT Article T1 Studying New York City's crime decline: methodological issues JF Justice quarterly VO 31 IS 1 SP 154 OP 188 A1 Greenberg, David F. 1942- LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1636660304 K1 Kriminalitätsrückgang K1 Gewalt K1 Polizeiintervention K1 Methodenfragen K1 New York